Binary Adders (Half adder, Full adder) MCQ

What is the primary function of a half adder in digital circuits?

A) Adds two binary numbers with carry
B) Adds two binary numbers without carry
C) Adds three binary numbers with carry
D) Adds three binary numbers without carry
Answer: B
What is the primary function of a full adder in digital circuits?

A) Adds two binary numbers with carry
B) Adds two binary numbers without carry
C) Adds three binary numbers with carry
D) Adds three binary numbers without carry
Answer: A
Which of the following statements about half adders is true?

A) They have two inputs and two outputs.
B) They have two inputs and one output.
C) They have three inputs and two outputs.
D) They have three inputs and one output.
Answer: B
Which of the following statements about full adders is true?

A) They have two inputs and two outputs.
B) They have two inputs and one output.
C) They have three inputs and two outputs.
D) They have three inputs and one output.
Answer: C
What is the output of a half adder if the inputs are
𝐴
=
1
A=1 and
𝐵
=
0
B=0?

A) Sum = 0, Carry = 0
B) Sum = 1, Carry = 0
C) Sum = 0, Carry = 1
D) Sum = 1, Carry = 1
Answer: B

Which gate is commonly used internally in half adders?

A) XOR gate
B) AND gate
C) OR gate
D) NAND gate
Answer: A
Which gates are commonly used internally in full adders?

A) XOR gate and AND gate
B) XOR gate and OR gate
C) AND gate and OR gate
D) NAND gate and NOR 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)
  • 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

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