Multiple choice Questions Digital Logic Design

By: Prof. Dr. Fazal Rehman | Last updated: May 5, 2025

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1. : Boolean algebra is also called
 
2. : Boolean function must be brought into ________ to perform product of max terms
 
3. : The binary number 10101 is equivalent to the decimal number
 
4. : The universal gate is
 
5. : According to Boolean algebra absorption law, which of the following is correct?
 
6. : A Boolean function may be transformed into
 
7. : The inverter is
 
8. : The resulting circuit of NAND gates connected together is
 
9. : xy = yx is the
 
10. : Minterms are also called
 
11. : OR gate and __________ will form the NOR gate?
 
12. : The NAND gate is an AND gate followed by
 
13. : Max terms are also called
 
14. : In Boolean algebra, multiplicative inverse is
 
15. : By the repeated use of __________ digital circuits can be made
 
16. : The only function of NOT gate is
 
17. : Boolean algebra is defined as a set of
 
18. : First operator precedence for evaluating Boolean expressions is
 
19. : The output is __________ when an input signal 1 is applied to a NOT gate
 
20. : The bar sign (–) indicates __________ in Boolean algebra
 
21. : The value of n is ______ when the resolution of an n-bit DAC with a maximum input of 5 V is 5 mV
 
22. : 2’s complement of binary number 0101 is
 
23. : An OR gate has 4 inputs. The output is ______ when one input is high and the other three are low
 
24. : To convert BCD to seven segments __________ device is used
 
25. : Decimal number 10 is equal to binary number
 
26. : In 2’s complement representation, the number 11100101 represents the decimal number
 
27. : A decade counter skips
 
28. : Number of states a ring counter with 5 flip-flops will have?
 
 

MCQs of Digital Logic Design (DLD)

Introduction to Digital Systems
  1. Analog vs. Digital signals MCQs
  2. Binary numbers and arithmetic MCQs
  3. Logic levels and noise margins MCQs
Boolean Algebra
  1. Basic logic operations (AND, OR, NOT) MCQ
  2. Laws and theorems of Boolean algebra MCQ
  3. De Morgan’s Theorems MCQ
  4. Canonical forms (Sum of Products, Product of Sums) MCQ
  5. Simplification techniques (Karnaugh Maps, Quine-McCluskey method) MCQs
Combinational Logic Logic Gates
  1. Basic gates (AND, OR, NOT) Gat MCQ
  2. Universal gates (NAND, NOR) Gat MCQs
  3. XOR and XNOR gates MCQ
Combinational Circuits
  1. Design and analysis of combinational circuits MCQ
  2. Multiplexers and Demultiplexers MCQ
  3. Encoders and Decoders MCQ
  4. Binary Adders (Half adder, Full adder) MCQ
  5. Subtractors and Arithmetic Logic Units (ALU) MCQ
  6. Comparators MCQ in DLD
Sequential Logic Flip-Flops and Latches
  1. SR Latch, D Latch MCQ
  2. Flip-Flops (SR, D, JK, T) MCQ
  3. Characteristic equations and excitation tables MCQ
  4. Edge-triggered vs. level-triggered devices MCQ
Counters and Registers
  1. Synchronous, Asynchronous (ripple), Up/Down counters MCQs
  2. Shift registers (SIPO, PISO, SISO, PIPO) MCQs
State Machines Finite State Machines (FSMs)
  1. Moore and Mealy machines MCQs
Memory and Programmable Logic MCQs Memory Devices
  1. Read-Only Memory (ROM)
  2. Random Access Memory (RAM)
  3. Programmable Logic Devices (PLDs) MCQs
  4. Field Programmable Gate Arrays (FPGAs) MCQs
 

MCQs of Digital Logic Design (DLD)

Introduction to Digital Systems
  1. Analog vs. Digital signals MCQs
  2. Binary numbers and arithmetic MCQs
  3. Logic levels and noise margins MCQs
Boolean Algebra
  1. Basic logic operations (AND, OR, NOT) MCQ
  2. Laws and theorems of Boolean algebra MCQ
  3. De Morgan’s Theorems MCQ
  4. Canonical forms (Sum of Products, Product of Sums) MCQ
  5. Simplification techniques (Karnaugh Maps, Quine-McCluskey method) MCQ
Combinational Logic Logic Gates
  1. Basic gates (AND, OR, NOT) Gat MCQ
  2. Universal gates (NAND, NOR) Gat MCQs
  3. XOR and XNOR gates MCQ
Combinational Circuits
  1. Design and analysis of combinational circuits MCQ
  2. Multiplexers and Demultiplexers MCQ
  3. Encoders and Decoders MCQ
  4. Binary Adders (Half adder, Full adder) MCQ
  5. Subtractors and Arithmetic Logic Units (ALU) MCQ
  6. Comparators MCQ in DLD
Sequential Logic Flip-Flops and Latches
  1. SR Latch, D Latch MCQ
  2. Flip-Flops (SR, D, JK, T) MCQ
  3. Characteristic equations and excitation tables MCQ
  4. Edge-triggered vs. level-triggered devices MCQ
Counters and Registers
  1. Synchronous, Asynchronous (ripple), Up/Down counters MCQs
  2. Shift registers (SIPO, PISO, SISO, PIPO) MCQs
State Machines Finite State Machines (FSMs)
  1. Moore and Mealy machines MCQs
Memory and Programmable Logic MCQs Memory Devices
  1. Read-Only Memory (ROM)
  2. Random Access Memory (RAM)
  3. Programmable Logic Devices (PLDs) MCQs
  4. Field Programmable Gate Arrays (FPGAs) MCQs

More MCQs of Digital Logic Design (DLD)

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