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.

The output Q4 of this 1-to-8 demultiplexer is ____________

A. Q2.(Q1)’.Q0.I
B. Q2.Q1.(Q0)’.I
C. Q2.(Q1)’.(Q0)’.I
D. Q2.(Q1).Q0.I
Answer» D. Q2.(Q1).Q0.I
Discussion
2.

In 1-to-4 multiplexer, if C1 = 1 & C2 = 1, then the output will be ___________

A. Y0
B. Y1
C. Y2
D. Y3
Answer» E.
Discussion
3.

In 1-to-4 multiplexer, if C1 = 0 & C2 = 1, then the output will be ___________

A. Y0
B. Y1
C. Y2
D. Y3
Answer» C. Y2
Discussion
4.

In a multiplexer the output depends on its ___________

A. Data inputs
B. Select inputs
C. Select outputs
D. Enable pin
Answer» C. Select outputs
Discussion
5.

The word demultiplex means ___________

A. One into many
B. Many into one
C. Distributor
D. One into many as well as Distributor
Answer» E.
Discussion