Explore topic-wise MCQs in Digital Circuits.

This section includes 10 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.

The circuit that generates a spike in response to a momentary change of input signal is called ____________

A. R-C differentiator circuit
B. L-R differentiator circuit
C. R-C integrator circuit
D. L-R integrator circuit
Answer» B. L-R differentiator circuit
2.

The S-R, J-K and D inputs are called ____________

A. Asynchronous inputs
B. Synchronous inputs
C. Bidirectional inputs
D. Unidirectional inputs
Answer» C. Bidirectional inputs
3.

The term synchronous means ____________

A. The output changes state only when any of the input is triggered
B. The output changes state only when the clock input is triggered
C. The output changes state only when the input is reversed
D. The output changes state only when the input follows it
Answer» C. The output changes state only when the input is reversed
4.

Flip-flops are ____________

A. Stable devices
B. Astable devices
C. Bistable devices
D. Monostable devices
Answer» D. Monostable devices
5.

How many types of triggering take place in a flip flops?

A. 3
B. 2
C. 4
D. 5
Answer» B. 2
6.

S-R type flip-flop can be converted into D type flip-flop if S is connected to R through ____________

A. OR Gate
B. AND Gate
C. Inverter
D. Full Adder
Answer» D. Full Adder
7.

If one wants to design a binary counter, the preferred type of flip-flop is ____________

A. D type
B. S-R type
C. Latch
D. J-K type
Answer» E.
8.

D flip-flop is a circuit having ____________

A. 2 NAND gates
B. 3 NAND gates
C. 4 NAND gates
D. 5 NAND gates
Answer» D. 5 NAND gates
9.

Input clock of RS flip-flop is given to ____________

A. Input
B. Pulser
C. Output
D. Master slave flip-flop
Answer» C. Output
10.

The asynchronous input can be used to set the flip-flop to the ____________

A. 1 state
B. 0 state
C. either 1 or 0 state
D. forbidden State
Answer» D. forbidden State