MCQs Digital Logic Design

By: Prof. Dr. Fazal Rehman | Last updated: June 8, 2024

1. When we input two values 0 and 1 which of the following gates would output 1?
A. OR gate
B. NAND gate
C. AND gate
D. both a and c

2. one nibble= ________ bits
A. 16
B. 8
C. 4
D. 2

Answer - Click Here:

C

3. flip-flops that are unlocked are called
A. Transition tables
B. register
C. Latches
D. None

Answer - Click Here:

C

4. Which is not equal to x?
A. X NAND 1
B. X NOR X
C. X NAND X
D. X NOR 1

Answer - Click Here:

D

5.What value Excess-8 code assigns to “-8”?
A. 0000
B. 1100
C. 1110
D. 1000

Answer - Click Here:

A

6. How many rows are needed in the primitive flow table for the gated latch?
A. 1 row
B. 3 rows
C. 5 rows
D. 7 rows

Answer - Click Here:

A

7. Which gate is added to the inputs to convert OR gate into NAND gate?
A. XOR
B. AND
C. OR
D. NOT

Answer - Click Here:

D

8. LUT What is the acronym for LUT?
A. Local User Terminal
B. Least Upper Time Period
C. Look Up Table
D. None of given options

Answer - Click Here:

C

9. Final stable state in all cases is ____________.
A. undefined
B. same
C. changed
D. inverted

Answer - Click Here:

B

10. Which gate is equal to the EXCLUSIVE NOR gate if we put the inverter on it?
A. NAND
B. AND
C. XOR
D. OR

Answer - Click Here:

C

11. The three basic gates are
A. NOT, NOR, XOR
B. OR, AND, NAND
C. AND, NAND, XOR
D. NOT, OR, AND

Answer - Click Here:

D

12.In timing problem of _______________ complexity of asynchronous circuit is involved.
A. inputs
B. feedback path
C. clock pulses
D. outputs

Answer - Click Here:

B

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)

• • SET 1: DLD MCQs with answers (dld mcqs with answers)
  • SET 2: DLD MCQs (dld basic mcqs)
  • SET 3: DLD MCQs (solved mcqs of dld)
  • SET 4: DLD MCQs (dld repeated mcqs)
  • SET 5: DLD MCQs (dld important mcqs)
  • SET 6:DLD MCQs DLD Solved MCQs Answers PDF

MCQs collection of solved and repeated MCQs with answers for the preparation of competitive exams, admission test and job of PPSC, FPSC, UPSC, AP, APPSC, APSC, BPSC, PSC, GOA, GPSC, HPSC, HP, JKPSC, JPSC, KPSC, KERALAPSC, MPPSC, MPSC, MPSCMANIPUR, MPSC, NPSC, OPSC, RPSC, SPSCSKM, TNPSC, TSPSC, TPSC, UPPSC, UKPSC, SPSC, KPPSC, BPSC, AJKPSC ALPSC, NPSC, LPSC, SCPSC, DPSC, DCPSC, PSC, UPSC, WVPSC, PSCW, and WPSC.