Comparators MCQ in DLD

What is the primary function of a comparator in digital circuits?

A) Add two binary numbers
B) Compare two binary numbers
C) Convert analog signals to digital
D) Perform logical operations
Answer: B
Which of the following statements about comparators is true?

A) They have one input and one output.
B) They have two inputs and one output.
C) They have one input and two outputs.
D) They have two inputs and two outputs.
Answer: B

Which gate is commonly used internally in a comparator for comparison?

A) XOR gate
B) AND gate
C) OR gate
D) NAND gate
Answer: A

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)
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  • 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

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