Digital Logic and Design MCQs with Answers
Practice important Digital Logic and Design MCQs with answers and explanations.
Multiple Choice Questions
Q71: What is an example of a Sequential Circuit in digital systems?
- A: Decoder
- B: Multiplexer
- C: Counter
- D: Adder
View Answer
C
Q72: What is a Programmable Logic Device (PLD) used for?
- A: Permanent memory storage
- B: Temporary data storage
- C: Implementing combinational and sequential circuits
- D: Power management
View Answer
C
Q73: What is the role of memory in digital systems?
- A: Only for temporary storage
- B: Permanent and temporary storage
- C: Only for permanent storage
- D: Data transmission
View Answer
B
Q74: What converts real-world quantities into equivalent digital values?
- A: Power supply
- B: Logic gates
- C: Transducers
- D: A/D and D/A converters
View Answer
D
Q75: What is the purpose of a Digital-to-Analogue Converter (DAC)?
- A: To convert digital values into continuous values
- B: To store data
- C: To transmit data
- D: To correct errors
View Answer
A
Q76: How are digital circuits typically designed?
- A: Complex and large
- B: Simple and small
- C: Expensive and slow
- D: Prone to errors
View Answer
B
Q77: What is the fundamental building block of digital circuits?
- A: Transistor
- B: Logic gate
- C: Capacitor
- D: Resistor
View Answer
B
Q78: Which of the following represents a binary number system?
- A: 123
- B: 1100
- C: 56789
- D: ABCDE
View Answer
B
Q79: What is the method used to convert from Binary to Decimal?
- A: Repeated Multiplication
- B: Sum-of-Weights
- C: Division by 2
- D: Subtraction
View Answer
B
Q80: Which of the following binary numbers is equivalent to the decimal number 22?
- A: 11010
- B: 10101
- C: 10110
- D: 1011
View Answer
C