Explore topic-wise MCQs in Digital Circuits.

This section includes 7 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.

HOW_MANY_AND_GATES_ARE_REQUIRED_FOR_A_1-TO-8_MULTIPLEXER??$

A. 2
B. 6
C. 4
D. 5
Answer» D. 5
2.

Which IC is used for the implementation of 1-to-16 DEMUX?$

A. IC 74154
B. IC 74155
C. IC 74139
D. IC 74138
Answer» B. IC 74155
3.

How many select lines are required for a 1-to-8 demultiplexer?

A. 2
B. 3
C. 4
D. 5
Answer» C. 4
4.

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
5.

In a multiplexer the output depends on its

A. Data inputs
B. Select inputs
C. Select outputs
D. None of the Mentioned
Answer» C. Select outputs
6.

In 1-to-4 demultiplexer, how many select lines are required?

A. 2
B. 3
C. 4
D. 5
Answer» B. 3
7.

The word demultiplex means

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