Explore topic-wise MCQs in Digital Circuits.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Circuits knowledge and support exam preparation. Choose a topic below to get started.

1.

An OR gate can be imagined as ____________

A. Switches connected in series
B. Switches connected in parallel
C. MOS transistor connected in series
D. BJT transistor connected in series
Answer» C. MOS transistor connected in series
2.

The number of full and half adders are required to add 16-bit number is __________

A. 8 half adders, 8 full adders
B. 1 half adders, 15 full adders
C. 16 half adders, 0 full adders
D. 4 half adders, 12 full adders
Answer» C. 16 half adders, 0 full adders
3.

Odd parity of word can be conveniently tested by ___________

A. OR gate
B. AND gate
C. NAND gate
D. XOR gate
Answer» E.
4.

The time required for a gate or inverter to change its state is called __________

A. Rise time
B. Decay time
C. Propagation time
D. Charging time
Answer» D. Charging time
5.

The output of an EX-NOR gate is 1. Which input combination is correct?

A. A = 1, B = 0
B. A = 0, B = 1
C. A = 0, B = 0
D. A = 0, B = 1
Answer» D. A = 0, B = 1