List of Public service commissions

List of Provincial Public service commissions in India

Public Service Commissions in India External link
Union Public Service Commission http://www.upsc.gov.in
Andhra Pradesh Public Service Commission https://psc.ap.gov.in/
Arunachal Pradesh Public Service Commission http://www.appsc.gov.in/
Assam Public Service Commission http://www.apsc.nic.in
Bihar Public Service Commission http://www.bpsc.bih.nic.in
Chhattisgarh Public Service Commission http://www.psc.cg.gov.in
Goa Public Service Commission http://gpsc.goa.gov.in/
Gujarat Public Service Commission http://www.gpsc.gujarat.gov.in
Haryana Public Service Commission http://www.hpsc.gov.in
Himachal Pradesh Public Service Commission http://www.hp.gov.in/hppsc
Jammu and Kashmir Public Service Commission
(1957–2019)
http://jkpsc.nic.in/
Jharkhand Public Service Commission http://www.jpsc.gov.in
Karnataka Public Service Commission http://kpsc.kar.nic.in/
Kerala Public Service Commission http://www.keralapsc.gov.in/
Madhya Pradesh Public Service Commission http://www.mppsc.com
Maharashtra Public Service Commission http://www.mpsc.gov.in
Manipur Public Service Commission http://mpscmanipur.gov.in
Meghalaya Public Service Commission http://mpsc.nic.in/mpsc/
Mizoram Public Service Commission http://mpsc.mizoram.gov.in/
Nagaland Public Service Commission http://www.npsc.co.in
Odisha Public Service Commission http://www.opsc.gov.in/
Punjab Public Service Commission http://www.ppsc.gov.in
Rajasthan Public Service Commission http://www.rpsc.rajasthan.gov.in/
Sikkim Public Service Commission http://www.spscskm.gov.in
Tamil Nadu Public Service Commission http://www.tnpsc.gov.in
Telangana State Public Service Commission http://www.tspsc.gov.in/
Tripura Public Service Commission http://www.tpsc.gov.in
Uttar Pradesh Public Service Commission http://www.uppsc.org.in
Uttarakhand Public Service Commission http://www.ukpsc.gov.in
West Bengal Public Service Commission https://www.pscwbonline.gov.in/apps/home/

List of Provincial public service commissions in Pakistan

Azad Jammu & Kashmir Public Service Commission AJKPSC
Balochistan Public Service Commission BPSC
Khyber Pakhtunkhwa Public Service Commission KPPSC
Punjab Public Service Commission (Pakistan) PPSC
Sindh Public Service Commission SPSC
Federal Public Service Commission FPSC

List of Public Service Commission in the United States

  • Alabama Public Service Commission ALPSC
  • Georgia Public Service Commission
  • Louisiana Public Service Commission LPSC
  • Mississippi Public Service Commission
  • Montana Public Service Commission
  • Nebraska Public Service Commission NPSC
  • North Dakota Public Service Commission
  • South Carolina Public Service Commission SCPSC
  • Arkansas Public Service Commission  APSC
  • Delaware Public Service Commission DPSC
  • District of Columbia Public Service Commission DCPSC
  • Florida Public Service Commission FPSC
  • Kentucky Public Service Commission KPSC
  • Maryland Public Service Commission PSC
  • Michigan Public Service Commission PSC
  • Missouri Public Service Commission PSC
  • New York Public Service Commission
  • Tennessee Public Service Commission
  • Utah Public Service Commission UPSC
  • West Virginia Public Service Commission WVPSC
  • Wisconsin Public Service Commission PSCW
  • Wyoming Public Service Commission WPSC

Some other important Public Service Commission

Public Service Commission of Canada PSC

Past Guess Paper of Auditing

Past Guess Paper of Auditing.

Guess Paper 1 : Auditing Past Papers

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Time Allowed: 3 hours

Examination:   Final, Fall – 2020

Total Marks:    70, Passing Marks (35)

Q.1 Short answer or Fill in the Blanks [14 Marks]

Q.1 Differentiate between the following terminologies…
a) Nature of audit / scope of audit
b) Audit note book / working papers

Q.2 Define audit; also elaborate how it was originated.

Q.3 Explain in detail the procedure for verification of audit. Why a company needs verification?

Q.4 Explain in detail the different techniques for vouching.

Q.5 How do we differentiate correct valuation from correct disclosure?

Q.6 What do you mean by the operation of audit? Discuss.Q.7 How do you understand continuous audit? Through what means it is beneficial and non beneficial for an organization.Q.8 Write short notes on any two of the following.
a) Types of audit
b) audit program
c) Proper authorization

Guess Paper 2 : Auditing Past Papers

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Time Allowed: 3 hours

Examination:   Final,  Spring – 2020

Total Marks:    70, Passing Marks (35)

Q.1 Differentiate the following terminologies…
a) Vouching / verification
b) Nature of Audit / Scope of audit

Q.2 How do you differentiate audit from accounting? Discuss.

Q.3 Explain in detail the fundamental principals & techniques of audit.

Q.4 How do companies maintain their internal control? Discuss.

Q.5 Discuss and differentiate audit note book and audit working papers?

Q.6 Why physical existence is required for audit? Explain the concept of physical existence in detail.

Q.7 How vouching of Receipt side and payment side of cash book take place? Explain in detail.

Q.8 Write short notes on any two of the following.
a) Origin of audit
b) Conduct of audit
c) Audit team

Guess Paper 3 : Auditing Past Papers

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Time Allowed: 3 hours

Examination:   Final,  Spring – 2020

Total Marks:    70, Passing Marks (35)

Q.2 Explain in detail various principles of internal control with respect to small and manufacturing controls.

Q.3 Though verification and vouching seems similar terms, but both have different aspects; differentiate both.

Q.4 Vouching is a complete procedure and involves various steps. Discuss vouching with respect to cash book payment side.

Q.5 How do we differentiate correct valuation from correct disclosure?

Q.6 Explain the complete Operation of audit as per your own understanding.

Q.7 What are various areas covered in auditing, in other words explain the scope of audit.

Q.8 Write short notes on any two of the following.

a. Verification
b. Objects in audit
c. Origin of audit

Guess Paper 4 : Auditing Past Papers

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Time Allowed: 3 hours

Examination:   Final,  Spring – 2019

Total Marks:    70, Passing Marks (35)

Q.1. Elaborate the term Audit and discuss its need & importance in details.

Q.2. Elaborate these terms in precise form.
a) Voucher
b) Audit Notes
c) Audit Program
d) Audit Report
e) Financial Statements.

Q.3. How you will differentiate the internal control form internal check.

Q.4. Enlist various special points which are considered during the conduction of Audit of a Cinema.

Q.5. Enlist six points’ techniques of verification and elaborate them precisely.

Q.6. Write a comprehensive note on application of information technology in current practices of Audit.

Q.7. What are various components of Audit Report?

Q.8. Write short notes on any two of the following:
a) Moral ethics in the audit practices.
b) Auditing as a tool of internal control.
c) Why Auditor is called public Auditor?

Guess Paper 5 : Auditing Past Papers

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Time Allowed: 3 hours

Examination:   Final,  Spring – 2018

Total Marks:    70, Passing Marks (35)

Q.1. Elaborate the following terms in most precise form.
(i). Audit Program. (ii). Audit Notes. (iii). Vouching. (iv). Audit Report. (v). liabilities of
negligence.

Q.2. How you will differentiate financial statement from financial audit. Also elaborate need for financial audit.

Q.3. Do you thing the Auditing is playing a vital role in the process of Internal check? Discuss.

Q.4. Enlist various special points which are considered during the conduction of Audit of a General Store.

Q.5. Define the term verification and also elaborate six points techniques of verification.

Q.6. Write a comprehensive note on advantages of the IT in the process of Auditing? Elaborate with examples.

Q.7. What are various parts of the Audit Report?

Q.8. Write short notes on the following:
i) Moral ethics in the audit practices.
ii) Why Auditor is called public Auditor?

Guess Paper 5 : Auditing Past Papers

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Time Allowed: 3 hours

Examination:   Final,  Spring – 2017

Total Marks:    70, Passing Marks (35)

Q.1. Write “ T” for true while “ F” for false statements.

(i). Proper Accounting system minimizes the need for auditing.
(ii). Internal audit and internal check are identical terms.
(iii). Internal Auditor is also appointed by share holders.
(iv). External Auditor is normally a regular employee of the company.
(v). Generally the job of vouching is done by three persons.
(vi). Auditing program is normally written is audit notes.
(vii). External audit can also be called a running audit.

Q.2. Elaborate the following terms/expressions in precise form.
(i). Audit. (ii). Audit Program. (iii). Working Papers. (iv). Vouching. (v). Errors. (vi). Audit Report. (vii). Capital expenditures.

Q.3. Write a comprehensive note on the role of Auditing in the internal control system.

Q.4. Elaborate the term continuous Audit and differentiate it from Final audit.

Q.5. What is verification? Also elaborate the six points techniques of verification.

Q.6. Do you agree that main objective of Auditor is to check book of Accounts and detect and prevent errors? What types of qualities are required for an auditor?.

Q.7. How you will differentiate the Audit Report from Annual Report? Also enlist only the components of Audit Report.

Q.8. Write short notes on the following:
i) Role of IT in conduct of proper Audit.
ii) General principles of Govt. Auditing.

Past Guess Paper of Artificial Intelligence.

Past Guess Paper of Artificial Intelligence.

Guess Paper 1 : Artificial Intelligence Past Papers

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Time Allowed: 3 hours

Examination:   Final, Fall – 2020

Total Marks:    70, Passing Marks (35)

Q.1 Short answer or Fill in the Blanks [14 Marks]

a. What is the purpose of search algorithm in AI.
b. Which search strategy is also called as blind search?_________________.
c. __________ symbol is used to show if a predicate is true for some of the members of a set.
d. A _____________________ is a computer program that reasons and uses a knowledge base to solve complex problems
e. Define inference rule.
f. _______________ explores the construction and study of algorithms that can learn from and make predictions on data.
g. ______________ is computerized advice-giver, that is capable of reasoning but which is usually confined to a rather narrow field of knowledge.

Q.2 Describe major areas and applications of Artificial Intelligence in computer science. (14)
Q.3 (a) Define propositional logic. What are major operations and symbols in propositional?
(b) Let we have two propositions A= Ali is boy, B = Mary is a Girl. Write these sentences using propositional logic
I. Ali is boy and mary is a girl II. Ali is boy and mary is not a girl
III. Ali is not a boy or mary is a girl IV. If Ali is boy then mary is a girl

Q.4. Write a detailed note on search in problem solving. Name and define major types of search algorithms.
(14)
Q.5. Write a note on Prolog language. Describe major components of Prolog (Data Types, Lists, Functions
and Statements). Provide an example program. (14)

Q.6 (a) Write a note on architecture of Expert systems.
(b) Discuss rule based expert system with example (7+7)

Q.7 (a) Explain Machine learning and its types.
(b) Describe rule based learning with example. (14)
Q.8. Write short notes on any TWO of the following.
(a) Computer Aided Instruction (07)
(b) Robotics (07)
(c) Neural Networks (07)

Guess Paper 2 : Artificial Intelligence Past Papers

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Time Allowed: 3 hours

Examination:   Final, Spring – 2020

Total Marks:    70, Passing Marks (35)

Q.1 Short answer or Fill in the Blanks [14 Marks]

Q.1 Fill in the blanks [14 Marks]

i. What is the purpose of search algorithm in AI.
ii. What are components of knowledge based system.
iii. Define inference rule.
iv. Describe the situation when depth first search is better.
v. _______________ explores the construction and study of algorithms that can learn from and make predictions on data
vi. __________ symbol is used to show if a predicate is true for some of the members of a set.
vii. A _____________________ is a computer program that reasons and uses a knowledge base to solve complex problems

Q.2. (a) Write a detailed note on Artificial Intelligence.
(b) Describe major areas and applications in Artificial Intelligence. (7+7)
Q.3 (a) Describe propositional logic with example.
b) Let we have these predicates B(x,y)= Brothers, S= Siblings, L (x,y)= Love. Write these sentences using predicate logic
i. Ali and Umar are brothers
ii. Brothers are siblings
iii. Everybody loves somebody
vi. There is someone who is loved by everyone. (7+7)

Q.4. (a) Compare A* search with Hill climbing and Min Max Search.
(b) Differentiate depth first search and breadth first search with example. (10+4)

Q.5. Write a note on LISP language. Describe major components of Lisp (Data Types, Lists, Functions and Statements). Write a LISP function which will return number which is greater from given two numbers (14)

Q.6 (a) Write a note on architecture of Expert systems.
(b) Discuss rule based knowledge based system with example (7+7)

Q.7. Write short notes on any TWO of the following.
(a) Natural Language Processing (07)
(b) Robotics (07)
(c) Machine Learning. (07)

Past Guess Paper of Applied Physics

Past Guess Paper of Applied Physics.

Guess Paper 1 :Applied Physics Past Papers

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Time Allowed: 3 hours

Examination:   Final, Fall – 2020

Total Marks:    70, Passing Marks (35)

Q.1      Fill in the blanks                                                                                                        [5]

  1. The quantity of matter is known as………….
  2. Physical quantities can be divide into base and…………quantities.
  • If the two vectors A and B have the same line of action then the vectors are called……….vectors.
  1. To apply the equation of equilibrium, we must account for all the…….and……….forces which act on the particle
  2. Dry friction occurs between the contacting surfaces of bodies when there is no…………

 

Mark True /False                                                                                                              [5]

  1. The static frictional force Fs generated when sliding occurs at the contacting surface.
  • In general, there are three types of mechanics problems involving dry friction.
  • Speed is the magnitude of velocity.
  1. The Instantaneous acceleration(or simply acceleration) a is the second time derivative of velocity v(t).
  2. Subtraction of vectors may be define as a special case of addition of vectors.

 

Short answer the following questions.                                                                           [10]

  1. Define weight and how you can derive formula for weight using Newton’s law of gravitational attraction?
  2. Convert 2 km/h to m/s. How many ft/s is this?
  3. Define kinematics and write down the equations of kinematics for constant acceleration.
  4. A light object and a heavy object have same the momentum. Which has the greater kinetic energy?
  5. Give some examples of everyday vibrating objects which approximately exhibit SHM.

 

Q.2      a)What three important idealizations are made in mechanics in order to simplify application of the theory?                                                                                                                  [6]

b) Evaluate each of the following and express with SI units having an appropriate prefix:

i) (50mN)(6 GN) ii) (400 mm)(0.6 MN)2 iii) 45 MN3/900 Gg .               [4]

Q.3      a)Discuss the vector and scalar products in detail.                                                     [6]

b) Vectors A and B have scalar product -6 and their vector product has magnitude 9. What is the angle between these two vectors? [4]

Q.4      a) Define the normal and tangential acceleration also derive the expression for normal and tangential acceleration.                                                                                               [6]

  1. b) Find velocity form position given as . [Where A,α iand j are constants] [4]

Q.5      In general, there are three types ofmechanics problems involving dry friction.Discuss all of them in detail.                                                                                                             [10]

Q.6      a) What is simple pendulum? Show that the motion of simple pendulum is simple harmonic motion.                                                                                                                        [6]

b)In a meter stick swings about a pivot pointat one end, at distance h from the stick’s center of mass.What is the period of oscillation T?                                                                   [4]

Q.7      a) Why momentum and impulse are two different physical quantities? Show that momentum is conserved for two particle isolated system.                                                            [6]

  1. b) What do you mean by instantaneous power? Show that power can be written as dot product of force and velocity. .             [4]

Q.8      Write short note on any two of the following                                                            [5,5]

  1. Laws of triangle and parallelogram
  2. Free body diagram (FBD)
  3. Types of motion

 

Guess Paper 2 :Applied Physics Past Papers

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Time Allowed: 3 hours

Examination:   Final, Spring- 2020

Total Marks:    70, Passing Marks (35)

Q.1 Fill in the blanks [5]
i. A letter which is used before the unit to represent the power of ten is called………..
ii. A………vector have always magnitude equal to one.
iii. A particle is said to be in……………if it remains at rest if originally at rest, or has a constant velocity if originally in motion.
iv. The tendency to rotate is sometimes called a……….
v. The distance of an oscillator from zero displacement to a maximum is called………….

Mark True /False [5]
vi. The coefficient of kinetic friction is always smaller than the coefficient of static friction.
vii. The rate of change of momentum is called force.
viii. The acceleration of a body in free fall is always downward.
ix. The resultant of the product of two vectors is always a vector.
x. A force does work when it undergoes a displacement in the direction perpendicular of its line of action.
Short answer the following questions. [10]

i. Mechanics is divided into two sub branches: Statics and dynamics briefly define these branches.
ii. Two vectors have length 3.5 Km and 4 Km. what are the maximum and minimum magnitude of their vector sum?
iii. What do you mean by a free body diagram (FBD)? Draw FBD for a physics book slides on table by with a force F
iv. Define an isolated system and show that impulse is equal to the change in momentum.
v. How work done can be positive, negative and zero when the force and displacement vectors have non-zero magnitudes.

Q.2 a)How addition of vectors by parallelogram method is different from the addition of vectors by the rectangular components method. [6]

b)Determine the x and y components of F1 and F2 acting on the boom shown in fig. Express each force as a Cartesian vector.[4]

Q.3 a) Express the base (fundamental) physical quantities in two different system of units. [6]
b) Water has a density of 1.94 slug/ft3. What is the density expressed in SI units? Express the answer to three significant figures. [4]

Q.4 a) Define the instantaneous velocity also express velocity in polar coordinates. [6]
b)Suppose the x-velocity of the car at any time t is given by the equation (a) Find the change in x-velocity of the car in the time interval 1 s to 3 s. (b) Find the average x-acceleration in this time interval.[4]Q.5 Discuss the concept of dry friction and show how to analyze the equilibrium of rigid bodies subjected to this force. [10]

Q.6 a) Define moment (torque) of a force and also explain the principle of moments (Varignon’s theorem) [6]

b)Determine the moment of the force in Fig a about point O. [4]

Q.7 a) Define law of conservation of momentum. Show that rate of change of momentum is equal to force. [5]
b) Define the free and damped harmonic motion also discuss the motion of a mass attached with a spring . [5]

Q.8 Write short note on any two of the following
I. Law of solid friction
II. Conditions of equilibrium
III. Sine and Cosine law.

Guess Paper 3 :Applied Physics Past Papers

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Time Allowed: 3 hours

Examination:   Final, Spring- 2019

Total Marks:    70, Passing Marks (35)

Q.1      Fill in the blanks                                                                                                                    [5]

  1. Those physical quantities which are obtained from base quantities are known as………….
  2. If each term in equation is express in same system of units then the equation is called dimensionaly……………
  3. ……………is the phenomenon in which a very large force is applied for short interval of time.
  4. The unit of energy in cgs system is…………
  5. The friction force………the tendency of existing relative motion.

Mark True /False                                                                                                              [5]

  1. The kinetic frictional force Fk generated when sliding occurs at the contacting surface.
  2. Power is define as the time rate of doing work.
  3. Concurrent forces can be balanced by a single force.
  4. Frequency of second’s pendulum is 2Hz.
  5. The scalar product of two vectors is always positive.

Short answer the following questions.                                                                           [10]

  1. Define mechanics and its main sub branches .
  2. Wood has a density of 4.70 slug/ft3. What is its density expressed in SI units?
  • Define a couple and what is moment of a couple?
  1. Define the coefficient of kinetic friction and what is its SI unit?
  2. Is the acceleration of simple harmonic oscillator ever zero? If so, where?

Q.2      a)What are the basic laws of Newton that are valid in engineering mechanics?                    [6]

b)If a man weighs 155 lb on earth, specify i) his mass in slugs, ii) his mass in kilograms, and iii) his weight in newtons. If the man is on the moon, where the acceleration due to gravity is gm = 5.30 ft/s2, determine iv) his weight in pounds.

Q.3      a)Explain the system of coplanar and non-coplanar forces with figures                                [6]

b) Two forces 15N and 12 N are acting at a point. The angle between the forces is 60o. Find the resultant force?                                                                                                                       [4]

Q.4   a)How will you prove that a body will not be in equilibrium when it is subjected to two forces which are equal and opposite but parallel?                                                                [5]

b) Explain with sketches the clockwise and anticlockwise moments             [5]

Q.5    What are the laws of limiting friction? Describe an experiment for the verification of the laws of limiting friction.                                                                                                          [10]

Q.6  a) Define simple harmonic motion. Show that the motion of mass attached to spring over a frictionless surface is simple harmonic motion.                                                     [6]

  1. b) A block whose mass m is 680 g is fastened to a spring whose spring constant k is 65 N/m. The block is pulleda distance x = 11 cm from its equilibrium position atx = 0 on a frictionless surface and released from restatt = 0. What are the angular frequency, the frequency, and the period of the resulting motion?             [4]

Q.7   a) What is collision? How many types of collisions are there? Give example of each.             [6]

  1. b) Define power? Show that power is the dot product of force and velocity. Give the cgs and SI units of (i) Work (ii) Power .                       [4]

Q.8      Write short note on any two of the following                                                                        [5,5]

  1. Resolution of a Vector in yz-plane
  2. Triangle law of forces
  3. Equation of motion for variable acceleration

Guess Paper 4 :Applied Physics Past Papers

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Time Allowed: 3 hours

Examination:   Final, Spring- 2018

Total Marks:    70, Passing Marks (35)

Q.1 Fill in the blanks [5]
i. The branch of physics which concern with the accelerated motion is called……..
ii. …………….is used to express very large or very small quantities.
iii. The quantity of motion is called…………
iv. Speed is the……………of velocity.
v. The maximum value of static friction is known as…………..
Mark True /False [5]
vi. Coulomb’s law of friction is friction between dry surfaces.
vii. In SHM the acceleration is directed toward the equilibrium position.
viii. The first condition of equilibrium is necessary but not sufficient for equilibrium.
ix. The rate of change of momentum is called impulse.
x. Cross product of two vectors is commutative.
Short answer the following questions. [10]
i. What do you meant by a free body diagram?
ii. If a car is traveling at 55 mi/h, determine its speed inkilometers per hour and meters per second.
iii. State some of the engineering applications of moment.
iv. Define the coefficient of static friction and what is its SI unit?
v. How much work is done by the gravitational force when a 265 kg pile deriver falls 2.8m?

Q.2 a)Briefly discuss the following terms:
i) Dimensional Homogeneity. ii) Significant Figures.iii)Rounding off numbers. [6]
b) Evaluate each of the following to three significantfigures and express each answer in SI units using an appropriate prefix:
i) 354 mg(45 km) / (0.0356 kN) ii) (0.004 53 Mg)(201 ms) [4]

Q.3 a) Define vector and scalar quantities with examples. What do you understand by the term unit vector? What is the importance of the unit vector? [6]
b) Can a unit vector have any componentswith magnitude greater thanunity? Can it have any negative components? In each case justify your answer. If where a is a constant,determine the value of “a”that makes A a unit vector. [4]

Q.4 a) Two forces are acting on a body and the body is in equilibrium. What conditions should be satisfied by these two forces? [5]
b) What is meant by moment of a force? Explain it mathematically. [5]

Q.5 a) What is friction and angle of friction? Prove that the tangent of the angle of friction is equal to the coefficient of static friction. [6]

b)The uniform crate shown in has a mass of 20 kg. If a force P = 80 N is applied to the crate, determine if it remains in equilibrium. The coefficient of static friction is µs = 0.3.[4]

Q.6 a) How do you graphically represent the following? [4]
(i) Stationary object (ii) Uniform motion (iii) Accelerated motion
b)What is cross product? Describe different properties of cross product of vectors. [6]

Q.7 a) State the following laws of forces? [5]
(i) Parallelogram law (ii) Triangle law
b) Prove that the work done in moving a body of mass m up a frictionless inclined plane of inclination θ and height h is equal to mgh. . [5]

Q.8 Write short note on any two of the following [5,5]
i. Simple harmonic motion
ii. Impulse of constant and variable force.
iii. Normal and Tangential acceleration

Past Guess Paper of Applied Linear Algebra.

Applied Linear Algebra

Past Guess Paper of Applied Linear Algebra.

Guess Paper 1 : Applied Linear Algebra Past Papers

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Time Allowed: 3 hours

Examination:   Final, Fall – 2020

Total Marks:    70, Passing Marks (35)

Past Guess Paper of Applied Linear Algebra

Guess Paper 2 : Applied Linear Algebra Past Papers

Past Guess Applied Linear Algebra.

Past Papers of Applied Linear Algebra
Past Papers of Applied Linear Algebra

Past Guess Paper of Antenna & Wave Propagation.

Past Guess Paper of Antenna & Wave Propagation.

Guess Paper 1 : Antenna & Wave Propagation Past Papers

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Time Allowed: 3 hours

Examination:   Final, Fall – 2020

Total Marks:    70, Passing Marks (35)

Q.1      Fill right word in the blanks.                                                                                     [14]

  1. In transverse electromagnetic waves, electric and magnetic fields are……………… to each others.
  2. Impedance matching are performed in antennas for ……………. Power transfer.
  • Antennas are use for ……………… communication.
  1. Isotropic antenna radiate ……………… power in all directions.
  2. For TV ………………… antennas are use.
  3. When the frequency of signal increases, the size of antenna ………………
  • LNB stand for…………………..

 

Q.2      What is transverse electromagnetic wave, explain in detail with the help of diagram and electric, magnetic field relation.                                                                                                   [14]

3 a.What is polarization, for which purpose polarization is performed

b.Explain vertical polarization of waves with the help of diagram.                           [07, 07]

4 What is radiation pattern, explain the radiation pattern of directional antenna with the help of diagram. [14]

Q.5      a.What is directivity of an antenna, explain with its mathematical equation.

b.What are the advantages and disadvantages of antenna field patterns multiplication?                                                                                                                                                   [07, 07]

Q.6      a.What are parasitic arrays, explain with the help of diagrams.

b.In which situation and places loop antennas are use, give at least five examples.   [07, 07]

Q.7      Write short notes on any two of the following:                                                        [07, 07]

  1. Quality factor and bandwidth of an antenna.
  2. Field strength measurement of an antenna.
  3. Turnstile antenna

 

Past Guess Paper of Applied Classification.

Past Guess Paper of Applied Classification.

Guess Paper 1 : Applied Classification Past Paper

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Paper: Applied Classification

Time Allowed: 3 hours

Examination:   Final, Fall – 2020

Total Marks:    70, Passing Marks (35)

Q1.      Assign broad DDC numbers to the following 🙁 No need of DDC set)

  • Quran b-  Chemistry              c-  Political Science

d-   Biology     e- Islam  f- Philosophy

g-   Geology    h- Pashto       i-   none       j-    Data Science    k- Psychology

Q2.      Compare various editions of DDC.

Q3.      What is meant by DDC? Why DDC is used world widely.

Q4.      Highlight the merits and demerits of DDC.

Q5.      Write an essay on history of DDC.

Q6.      Compare Library of Congress Subject Heading List & Sears List of Subject heading.

Q7.      Compare Universal Decimal Classification Scheme with Colon Classification.

Q8.      Discuss any two of the following

  1. Cutter Table
  2. Author Mark
  3. E-DDC

Guess Paper 2 : Applied Classification Past Paper

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Paper: Applied Classification

Time Allowed: 3 hours

Examination:   Final, Spring – 2020

Total Marks:    70, Passing Marks (35)

Q1.      Write short notes on the following:

  1. Classification
  2. Form Division
  3. Pure Notation
  4. LCC
  5. DDC
  6. Subject Heading

Q2.      Write short notes on various schemes of classification.

Q3.      Discuss merits and demerits of UDC and colon classification schemes. Also discuss atleast two editions of DDC.

Q4.      Do you know about LCSH?  Write a detail note on this important subject heading list.

Q5.      S.R. Ranganthan is called father of Librarianship is Sub continent? Elaborate his contribution in the field of Classification.

Q6.      What is DDC? Why DDC is the more popular scheme of classification the world.

Q7.      Which classification scheme will be more appropriate for university libraries?

Q8.      Write precise notes on the following.

  1. Form Class
  2. First summary of DDC

Guess Paper 3 : Applied Classification Past Paper

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Paper: Applied Classification

Time Allowed: 3 hours

Examination:   Final, Fall – 2019

Total Marks:    70, Passing Marks (35)

Q.1      Assign broad DDC numbers to the following 🙁 No need of DDC set)

a-   Chemistry                          b-  History                   c-   Geography

d-  Botany                               e-  Computer Science  f-   Education

g-   Library Science                 h-  Political Science     i-    Psychology

j-    Medical Science                k-  Pashto

Q.2      Name and discuss the most popular scheme of classification in the world.

  1. 3 Highlight the advantages and disadvantages of DDC in detail.
  2. 4 Do you know about subject heading. Explain one of the most commonly used subject heading list.

Q.5      Compare Colon classification and Universal Decimal Classification schemes.

Q.6      Elaborate 16th and 17th edition of DDC in depth.

Q.7      E-DDC is the substitute of print version of DDC. Discuss

Q.8      Write short notes on any two of the following:

  1. History of DDC
  2. First Summary of DDC
  3. Sears List of Subject Heading.

Past Guess Paper of Applied Cataloguing.

Past Guess Paper of Applied Cataloguing.

Guess Paper 1 : Applied Cataloguing

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Paper : Applied Cataloguing

Time Allowed: 3 hours

Examination:   Final, Fall – 2020

Total Marks:    70, Passing Marks (35)

Q.1      (Fill in the blanks, True False)

  • In the —– century B.C, the important libraries in mesopotania had author and title catalogue.
  • In 1595 nomenclature of L——-University appeared.
  • —— was the first library catalogue, a catalogue of books and Scrolls.
  • Library association London “catalogue Rules” published in ——.
  • In —– AACR was published only in loose- leaf format.
  • ——— is like a key to the resources of the library.
  • The first known catalogue was found engraved on the walls of the library of — in Egypt.

(b) T/F      

(i) Library of congress “supplementary Rules on cataloguing” published in 1905. T/F

(ii)S.R Ranaganathan, “Dictionary catalogue code”, published in 1943. T/F

(iii) ALA “catalogue Rules for Author, titles enters, “published in 1949. T/F

(iv)  MARC is the acronym for machine –Readable Cataloguing Rules, T/F

(v) MARC becomes USMARC in the 1980s and MARC 21 in the title 1990s. T/F

(vi) ISBD was developed by the IFLA in 1975. T/F

(vii) Sheaf form is a type of catalogue prepared on paper slips. T/F

Q2. Define catalog and enlist the main MARC 21 fields.

Q3. What do you mean by multipart works in AACR2? Discuss

Q4.  What are rules in AACR2 for Headings for persons?

Q5. Discuss the rules for Uniform titles in AACR2.

Q6. Draw a comprehensive note on Metadata standards.

Q7. Discuss in detail copying cataloguing.

Past Guess Paper of Agriculture in Pakistan

Past Guess Paper of Agriculture in Pakistan.

Guess Paper 1 : Agriculture in Pakistan

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Paper : Agriculture in Pakistan

Time Allowed: 3 hours

Examination:   Final, Fall – 2020

Total Marks:    70, Passing Marks (35)

Q.1) Encircle the correct one

1) ……….produce major share of wheat in Pakistan
a) Khyber Pakhtunkhwa b) Sind c) Punjab
2)The largest …………………………………is located in Karachi.
a) Import-Export b) Agriculture c) Steel industry
3) The largest dam of Pakistan is ……….……………………..
a) Bhasha Dam b) Tarbela Dam c) Mangla Dam
4) …….. ……………is considered to be the big province area wise
a) Punjab b) Sind c) Baluchistan
5) Pakistan is one of the world’s largest producers of …………………………
a) Citrus b) Tobacco c) Iron

True and False

6) Pakistan is a major wool exporter and annually exports about 2 million tons.       True / False

7) Sugarcane is an important cash crop of Pakistan                                                    True / False

8) The economy of Pakistan is mainly based on agriculture                                       True / False

9) 70% population of Pakistan is still living in rural areas                                          True / False

10) Irregular Urbanization has damaged Agriculture of Pakistan                              True / False

Q.2)     Write a detail note on the adventures in Agriculture system in the world and its impact on Pakistan.

Q.3)     Livestock and Agriculture are inter-connected with each others. What suggestions do you have to enable Pakistan in milk and meat?

Q.4)     Point out and explain the main components in Agriculture of Pakistan.

Q.5)     The economy of Pakistan can grow if agriculture sector is given proper importance. Discuss

Q.6)     Highlight the issues faced in the production of different crops in Pakistan

Q.7)     Write short notes on any two of the following

  1. a) Dams and their importance in Agriculture
  2. b) Kanal system of Irrigation
  3. c) Importance of Poultry
  4. d) Technology and Agriculture

Guess Paper 2 : Agriculture in Pakistan

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Paper : Agriculture in Pakistan

Time Allowed: 3 hours

Examination:   Final, Spring – 2020

Total Marks:    70, Passing Marks (35)

Q.1 Encircle the correct answer:
1. ………….and …………. cultivation are considered the oldest crops of Pakistan.
a. (Barley and wheat), b (Rice and Cotton) c (Mango and Banana)
2. Sophisticated irrigation and water storage systems were developed in the……, including artificial reservoirs.
a. (Indus Valley Civilization), b. (Gandahara Civilization) c. ( Huns)
3. Pakistan is one of the world’s largest producers and suppliers of the………….
a. (wheat and onion), b. (Cotton and Apricot), c. (Mango and Date Palm)
4. Pakistan is Asia’s largest ……………market.
a. (Camel), b. (Beef), c. (Mutton)
5. About only ……….. of land in Pakistan is covered with forest.
a. (4%), b. (6.5%), c. (10%)
Please Tick √ True or False:
6. The first attempts at land reform in Pakistan occurred under Ayub Khan’s government.
7. Khyber Pakhtunkhwa is a rich province in agriculture.
8. Pakistan is self-sufficient in Steel industry
9. Pakistan is one of the largest producer of pet animals
10. The crops of Baluchistan are mostly damaged because of salinity in soil.

Q.2)     “ Soil has an important role in crops production.”  Explain giving examples of different types of soil.

Q.3)     Explain effects of technological advancement on the agriculture sector in Pakistan.

Q.4)     Write a detailed note on the main branches of agriculture and their importance.

Q.5)     Citrus and Mango production can enable the economy of Pakistan to improve. Do you agree? please

discuss in detail

Q.6)     Highlight the problems related to the production of rice and cotton crops in Pakistan

Q.7)     Write short notes on any two of the following

  1. a) Tobacco as cash crop
  2. b) Problems in irrigation system of Pakistan
  3. c) Plant protection measures in Pakistan
  4. d) Billion tree tsunami campaign of KP government

Electronics Past Guess Paper

Past Guess Paper of Advanced Electronics.

Guess Paper 1 : Advanced Electronics

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Paper : Advanced Electronics

Time Allowed: 3 hours

Examination:   Final, Fall – 2020

Total Marks:    70, Passing Marks (35)

Q1.     (a)  Explain Class A, B, & C amplifiers in detail.

(b)  Explain Common-Collector amplifier.

Q2.     (a)  Derive a relation for total gain of 3-stage cascaded amplifier.

(b)  Explain different coupling methods in amplifiers.

Q3.      Explain switched capacitor DAC with the help of circuit diagram.

Q4.      Briefly explain RC &LC filters with circuit diagrams used in amplifier circuits.

Q5.     (a) Write a detail notes on Series and Shunt regulators.

(b) What is the difference between voltage regulators and voltage multipliers?

Q6.      With the help of diagram, explain Flash A/D convertor in detail.

Q7.     (a)  Explain Push-Pull Amplifier in detail.

(b)  Define Harmonic distortion and Feedback in amplifiers.

Q8.     Write short note on any two of the following

  1. ADC performance and Specification.
  2. R-2R Ladder DAC.
  3. Voltage variable capacitor.

Guess Paper 2 : Advanced Electronics

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Paper : Advanced Electronics

Time Allowed: 3 hours

Examination:   Final, Spring – 2020

Total Marks:    70, Passing Marks (35)

Q.1.     Define the following terms properly.                                                                                      (14)

  1. Passive filters
  2. Uni-junction Transistor (UJT)
  3. Small signal and Large signal analysis (Amplifier)
  4. Step-up and step-down transformers
  5. Positive and Negative Feedbacks
  6. Integrated circuits (ICs)
  7. Cross-over distortion

Q.2.     A) Define and explain switching regulators.                                                                          (14)

  1. B) Differentiate between series and shunt regulators. Explain your answer with the help of circuits if needed.

Q.3.     Convert the digital signal into analog signal using any type of combination of resistors i.e. R-2R or weighted resistor. Explain your answer with the help of equations and circuits.                       (14)

Q.4.     Analyze the operation of RC low pass filter, and determine its critical frequency also express the voltage and power ratios of a filter in decibels.                                                                             (14)

Q.5.     A) Discuss the different classes of power amplifiers.                                                            (14)

  1. B) Class-C amplifier is the most efficient than class A, class-B or class-AB amplifiers.
  • Discuss class C power dissipation
  • Calculate maximum efficiency
  • Calculate maximum power output

Q.6.     What is Rectifier?  Differentiate between half wave and Full wave rectifiers.                     (14)

Discuss in fully detail any two types of full wave rectifiers.

Q.7.     The Light Emitting Diode (LED) is the one of the most common light sources. Explain LED for its Construction, Operation and VI-characteristics curve.                                                          (14)

Q.8.     Write notes on any two of the following:                                                                               (14)

  • Methods of coupling
  • Optoelectronic devices (Photodiode and phototransistor)
  • Darlington pair
  • Voltage multipliers (Doubler and Tripler)

Guess Paper 3 : Basic Electronics

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Paper : Basic Electronics

Time Allowed: 3 hours

Examination:   Final, Spring – 2020

Total Marks:    70, Passing Marks (35)

Q.1      a)         The series ohmmeter in given figure is made up of a 1.5V battery, a 100 microamperes meter and a resistance R1 which makes ( R1 + Rm ) = 15 kilo-ohm. Determine the instrument indication when Rx = 0

  1. b) Discuss the internal circuit of DC voltmeter

Q.2      a)        Draw the circuit diagram of a basic two transistor flip flop. Explain the conditions that keep one transistor ON and the other one OFF.

  1. b) Draw the logic diagram for a general ADC.

Q.3      a)         Draw the basic block diagram of a digital frequency meter, sketch the system waveforms, and carefully explain its operation.

  1. b) A 20V dc voltage is measured by analog and digital multi-meters. The analog instrument is on its 25 V range, and its specified accuracy is 2% the digital meter has a 3.5 digital display and an accuracy of(0.6+1). Determine the measurement accuracy in each case.

Q.4      Discuss the electronic meters for measurement of very high and very low resistances

Q.5      a)         Sketch RL series and parallel equivalent circuits for an inductor.

  1. b) When the given circuit is in resonance. E=100 mV, R = 5 Ohms and XL= Xc= 100 Ohms. Calculate the Q factor.

Q.6      Draw the block diagram for a digital spectrum analyzer. Explain its operation.

Q.7      Explain the basic operation of a digital storage oscilloscope, and discuss the relationship between sampling rate and bandwidth.

Q.8      Write note on any TWO of the following:

  1. Thermocouple instruments
  2. Unregulated DC power supply
  3. Low frequency signal generator

Guess Paper 4: Digital Electronics

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Paper : Digital Electronics

Time Allowed: 3 hours

Examination:   Final, Spring – 2020

Total Marks:    70, Passing Marks (35)

Q-1.  Differentiate among the following terms.                                                                     (14)

  1. Analog and Digital quantities
  2. OR & AND logic operations
  3. Multiplexer and Demultiplexer
  4. RAM and ROM types of memories
  5. Encoding and Decoding
  6. SOP (min-terms) and POS (max-terms)
  7. Combinational and sequential logic

Q-2.  Answer the following short questions.                                                                          (14)

  1. (B52.F16)16 = (_________________)2
  2. (10010101)2 = (_________________)10
  3. (786.75)10 =   (___________________)2
  4. Convert the binary number (1100011)2 to Gray Code
  5. 2’s complement of (100101)2?

Electronics Past papers

Q-6. A) Define ADDERS. Also explain Full adder circuit using its Symbol, truth table, logic expressions and logic diagram?                                                                                                                        (14)

Q7. Define Flip-Flops, Also explain any two types of Flip-Flops?                                        (14)

Q8. Write note on any two of the following.                                                                                     (14)

  1. Parallel Binary Adders
  2. Counter designing
  3. Programmable Logic Arrays

Guess Paper 5: Digital Electronics

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Paper : Digital Electronics

Time Allowed: 3 hours

Examination:   Final, Fall – 2020

Total Marks:    70, Passing Marks (35)

Q.1.     Answer the following short questions:                                                                                   (14)

  1. Differentiate between analog and digital quantities.
  2. Convert (5C.8)16 into binary number i.e. (——————————)
  3. Find the 2’s compliment of the given binary number i.e.
  4. The given ASCII character 00110111 is received by an odd parity system. Is it correct?
  5. Draw pulse/timing diagram for the number
  6. Add the given BCD numbers properly. 10000110+00010011.
  7. Draw logic diagram for the Boolean expression:

Q.2.     A) Describe a Full-adder logic circuit in terms of its operation, logic diagram and logic expressions.      (14)

  1. B) Minimize the under given SOP expression using the Karnaugh map:

Q.3.     A) Differentiate between Latch and Flip Flop.                                                                      (14)

  1. B) Describe the operation, logic diagram and truth table for JK flip-flop. Also describe that how JK flip-flop is different than SR.

Q.4.     A) Design and explain the function of Decimal to BCD Encoder.                                        (14)

  1. B) Convert the following Gray codes to Binary using logic gates.
  2.    1100011          ii.         1001101

Q.5.     Differentiate between Synchronous and Asynchronous counter. Design Asynchronous counter that counts from 0 to 11 states & restart counting from 0 on its 12th state.                                              (14)

Q.6.     Explain how data bits are entered and shifted through Serial In Serial Out (SISO), and Serial In Parallel Out (SIPO) shift registers.                                                                                                             (14)

Q.7.     A) Discuss Ex-OR & Ex-NOR logic.                                                                                     (14)

  1. B) Differentiate between Multiplexer & Demultiplexer. Design 1-to-8-lines DEMUX.

Q.8. Attempt any two of the following.                                                                                             (14)

  1. What is the universal property of NAND or NOR gate? Explain.
  2. Describe a 3-Bit ripple/asynchronous binary counter.
  3. Differentiate among the TTL, ECL and CMOS integrated circuits.
  4. Analyze the internal logic of a magnitude comparator that has both equality and in-equality outputs.

Guess Paper 6: Basic Electronics

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Paper : Basic Electronics

Time Allowed: 3 hours

Examination:   Final, Fall – 2018

Total Marks:    70, Passing Marks (35)

Q.1      Fill in the blanks                                                                                                                      [14 Marks]

  1. The Naturally Pure Semiconductor is called …………Semiconductor.
  2. The Majority carriers in N-Type semiconductor is …………………………………
  3. The Device/Element have the ability of rectification is known as ______________.
  4. The _­­­­­­______ is current controlled and Uni-Polar device .
  5. BJT stand for_­­­­­­______.
  6. IGFET stand for………
  7. The SCR stand for…………………………………………………

Q.2.     Discuss the Depletion region of PN Junction Diode .Also draw and Explain the PN Junction Diode VI –Characteristics Curve.                 (14)

Q.3.     With the help of circuit diagram briefly discuss the Full wave Rectifier (Center –Tapped Transformer) in Detail.                                         (14)

Q.4.     Briefly explain that how Zener Diode is used as Voltage Regulation using Mathematically Calculation.                                                      (14)

Q.5.     Briefly Explain Field Effect Transistor (FET) Construction/Structures and their basic operation.                                                              (14)

Q.6      Draw the circuit diagrams and explain Common Base, Common Emitter and Common Collector

Configuration. (14)

Q.7      Briefly discuss the construction, Operation, Voltage-Current Characteristics Curve and Practical

application of Silicon Controlled Rectifier.                                                                                        (14)

 

Q.8.    Write short notes on any TWO of the following.

(a) 4-Layer Device (Shockley Device)                                                                     (07)

(b) MOSFET                                                                                       (07)

(c) Energy Band Theory of Solids                                                                                                      (07)

Guess Paper 7: Basic Electronics

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Paper : Basic Electronics

Time Allowed: 3 hours

Examination:   Final, Fall – 2017

Total Marks:    70, Passing Marks (35)

Q.1      Fill in the blanks                                                                                [14 Marks]

  1. The Naturally Pure Semiconductor is called …………Semiconductor.
  2. The Majority carriers in P-Type semiconductor is …………………………………
  3. The Device/Element have the ability of amplification is known as ______.
  4. The Diode having the ability of Voltage regulation is known as _­­­­­­______.
  5. MOSFET stand for_­­­­­­______.
  6. SCR stand for………
  7. The Diode Limiter is also called?

Q.2. (a) Discuss Forward and Reverse Bias of PN Junction Diode.

        (b) Briefly discuss the Types of Semiconductor in detail.                                                         (4+10)

Q.3.     With the help of circuit diagram briefly discuss the Half wave Rectifier in Detail.              (14)

Q.4.     (a) Discuss the working & construction of Special purpose diode (LED).

(b)Write down the differences between Conductors and Semiconductors.                          (10+4)

Q.5.     Briefly Explain Bipolar Junction Transistor Construction/Structures and their basic operation.                                                         (14)

Q.6      Draw the circuit diagrams and explain Common Base, Common Emitter and Common Collector

Configuration.                                                                                                                         (14)

Q.7      Briefly discuss the construction and biasing of Silicon Controlled Rectifier                         (14)

Q.8.    Write short notes on any TWO of the following.

(a) 4-Layer Device (Shockley Device)                                                                                    (07)

(b) MOSFET                                                                                                                          (07)

(c)PN junction diode VI Characteristics                                                                                 (07)

Past Guess Paper of Digital Logic Design DLD

Last modified on May 15th, 2020 Download This Tutorial in PDF

Past Guess Paper of Digital Logic Design (DLD).

Guess Paper 1 : Digital Logic Design (DLD)

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Paper : Digital Logic Design (DLD)

Time Allowed: 3 hours

Examination:   Final, Fall – 2020

Total Marks:    70, Passing Marks (35)

Q1:     Convert the following decimal numbers in to binary and then hexadecimal;

  • 326
  • 16
  • 354
  • 32

Q2:    Show the following operations using 2s complement:

  1.  i) 1110111 – 1011011
  2. ii) 1011001 – 10000111

iii) 001001 – 000101

  1. iv) 0.0101 – 0.1001

Q3:     What are logic gates? Give the symbol, function and truth table for each of the three Fundamental logic gates.

Q4.      a) Design a 4-bit binary synchronous counter with D flip-flops,

  1. b) Design a 4-bit register with the parallel load using RS flip-flops.

Q5:     Construct a state equation for a JK-flip flop with both inputs equal to one.

Q6:    Simplify the following Boolean functions, using 4-variable maps:

  1. a) w’z + xz + x’y + wx’z
  2. b) wxy + yz + xy’z + x’y

Q7:      Explain shift register and Counter with help of a diagram.

Q8       Write short notes on any two of the following:

  1. D master slave flip flop
  2. Half Adder
  3. Full subtractor
  4. Decoder

Guess Paper 2 : Digital Logic Design (DLD)

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Paper : Digital Logic Design (DLD)

Time Allowed: 3 hours

Examination:   Final, Spring- 2020

Total Marks:    70, Passing Marks (35)

Q.1      Convert decimal 9 into binary, octal and hexadecimal number systems.

Q.2      Draw and explain 4-bit binary Subtractor circuit using Half subtractors.

Q.3      Simplify the following Boolean functions using K-maps.

  1. F (A, B, C) = Π (1, 7)
  2. F (A, B, C) = Ʃ (1, 2, 3)

Q.4      Implement the following Boolean function with a multiplexer.

F (A, B, C) =(0, 1, 3, 4)

Q.5      implement the following using NAND gate

  1. a) AB+CD+AC
  2. b) AC+BD

Q.6      a) Perform M-N using 1’s complement

M = 101 N=110

  1. b) Perform M-N using 7’s complement

M=161 N = 151

Q.7     Explain the followings.

  1. Boolean algebra
  2. Truth Table
  3. Universal Gates

Guess Paper 3 : Digital Logic Design (DLD)

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Paper : Digital Logic Design (DLD)

Time Allowed: 3 hours

Examination:   Final, Spring- 2019

Total Marks:    70, Passing Marks (35)

Q-1.  Answer the following short questions.                                                                          (14)

  1. (10110101.101)2 —————-Convert in decimal
  2. 10110112– 01101012———–Subtract the two numbers
  3. 11002 × 1002 ——————–Multiply the two binary numbers
  4. (1A1)16 ————————–Convert in Binary and Octal
  5. 101101111012 ——————Find 1’s & 2’s compliment of given number
  6. 1000 0011+00011000 ——–Add BCD (get the valid BCD answer)
  7. 011011002 ———————-Convert the binary number into Gray code

Q-2.     A) What is the universal property of NAND or NOr gate? Explain.                                   (5+5+4)

B) Draw the logic circuit for the Boolean expression:

DLD past papers

C) Apply DeMorgan’s theorem to the following equation:

 

 

Q-3.     Differentiate among the following.                                                                            (14)

  1. Analog and Digital quantities
  2. Multiplexer and Demultiplexer
  3. RAM and ROM types of memories
  4. Encoding and Decoding
  5. Combinational and sequential logic

Q4.      A) Write Boolean expression for the circuit given below.                                             (14)

digital logic design past papers guess

Q- 6.    A) Design and explain the function of Decimal to BCD Encoder.                              (14)

  1. B) Briefly explain the construction and working of SR-Flip Flop.

Q- 7.    A) Differentiate between Synchronous and Asynchronous counter.                                        (14)

  1. B) Design 3-bit asynchronous counter that counts from binary 000 to 111 states.

Q- 8.    Explain how data bits are entered and shifted through Serial in/Serial Out (SISO) Shift Register. Also draw the diagram of 4-bit Serial in/ Parallel Out (SIPO) shift registers.(14)

Guess Paper 4 : Digital Logic Design (DLD)

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Paper : Digital Logic Design (DLD)

Time Allowed: 3 hours

Examination:   Final, Fall- 2019

Total Marks:    70, Passing Marks (35)

Q.1      Convert the binary number 110101011 into decimal and hexadecimal.

Q.2      Simplify the following Boolean functions using K-maps.

F (A, B, C, D) = Ʃ (0, 1, 5, 8, 9,),

F (A, B, C) =  ∏ (5, 6,7) .

  1. 3 Implement 8*1 mux using 2*1 mux.
  2. 4 Draw the logic circuit of full adder using truth table.

Q.5      a) Draw the function table of 4-to-2encoder,

  1. b) Explain 4-input Multiplexer with the help of circuit Diagram and Function Table.

Q.6      Explain the Operation of magnitude comparator Circuit.

Q.7      Find the 1st and 2nd compliments of the following sequence.

  1. a) 11000001110101
  2. b) 1101

Guess Paper 5 : Digital Logic Design (DLD)

University Name – Confidential

NOTE: Q.1 is compulsory, attempt any four questions from the remaining. All questions carry equal marks. Phones and other Electronic Gadgets are not allowed.

Paper : Digital Logic Design (DLD)

Time Allowed: 3 hours

Examination:   Final, Fall- 2018

Total Marks:    70, Passing Marks (35)

Q.1.     Answer the following short questions:                                                                                          (14)

Convert the given Gray code into Binary i.e. 11001101.

Add the given BCD numbers properly. 10000110+00010011.

Draw pulse/timing diagram for the number 110010101100.

Attach even parity bit with the numbers 011011 and 1011101.

Find 1’s and 2’s compliment of the number (10110101)2.

Convert the hexadecimal number (F16.B52)16 in binary number.

Draw the logic circuit for the Boolean expression:

Q.2.     Differentiate among the following. Support your answer with examples and figures (where needed) (14)

  1. Analog and Digital quantities.
  2. Static RAM and Dynamic RAM.
  3. Combinational and sequential logic

Q.3.     Describe the function of the Full-adder circuit with the help of its symbol, truth table,                  logic expression and logic diagram. Also draw only the block diagram of 4-bit parallel binary adder along its logic symbol. (14)

Q.4.     Discuss and compare the operation of SR and JK edge-triggered Flip Flops with the help of circuit diagrams and truth tables. (14)

Q.5.     Describe the function of the 3-Bit Synchronous Binary Counter with the help of its logic diagram and Truth Table. Draw the logic Diagram of 3-bit Up/Down Counter using JK-Flip Flop. (14)

Q.6.     Describe the function of the 4-Bit Serial In/ Serial Out (SISO) shift register with the help of its logic diagram and Truth Table. (14)

Q.7.     Attempt any two of the following: (14)

  1. Explain the universal property of NAND gate.
  2. Enlist the all steps involved in the design of a synchronous counter.
  3. Minimize the given expressions using Karnaugh map.