Digital Logic and Design MCQs with Answers
Practice important Digital Logic and Design MCQs with answers and explanations.
Multiple Choice Questions
Q31: How many data select lines are required for selecting eight inputs?
- A: 1
- B: 2
- C: 3
- D: 4
View Answer
C
Q32: The diagram above shows the general implementation of ________ form
- A: boolean
- B: arbitrary
- C: POS
- D: SOP
View Answer
D
Q33: The Quad Multiplexer has _____ outputs
- A: 4
- B: 8
- C: 12
- D: 16
View Answer
A
Q34: Demultiplexer has
- A: Single input and single outputs
- B: Multiple inputs and multiple outputs
- C: Single input and multiple outputs
- D: Multiple inputs and single output
View Answer
C
Q35: The expression _________ is an example of Commutative Law for Multiplication.
- A: AB+C = A+BC
- B: A(B+C) = B(A+C)
- C: AB=BA
- D: A+B=B+A
View Answer
C
Q36: "Sum-of-Weights" method is used __________
- A: to convert from one number system to other
- B: to encode data
- C: to decode data
- D: to convert from serial to parallel data
View Answer
A
Q37: The maximum number that can be represented using unsigned octal system is _______
- A: 1
- B: 7
- C: 9
- D: 16
View Answer
B
Q38: If we add “723” and “134” by representing them in floating point notation i.e. by first, converting them in floating point representation and then adding them, the value of exponent of result will be ________
- A: zero
- B: 1
- C: 2
- D: 3
View Answer
C
Q39: The range of Excess-8 code is from ______ to ______
- A: +7 to -8
- B: +8 to -7
- C: +9 to -8
- D: -9 to +8
View Answer
B
Q40: A non-standard POS is converted into a standard POS by using the rule _____
- A: 0 A A =
- B: A+B = B+A
- C: A = B
- D: B A = A
View Answer
A