Explore topic-wise MCQs in Digital Circuits.

This section includes 12 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.

IF_THE_NUMBER_OF_N_SELECTED_INPUT_LINES_IS_EQUAL_TO_2^M_THEN_IT_REQUIRES_______SELECT_LINES.?$

A. 2
B. m
C. n
D. None of the Mentioned
Answer» C. n
Discussion
2.

A basic multiplexer principle can be demonstrated through the use of a$

A. Single-pole relay
B. DPDT switch
C. Rotary switch
D. Linear stepper
Answer» D. Linear stepper
Discussion
3.

How_many_select_lines_would_be_required_for_an_8-line-to-1-line_multiplexer?$

A. 2
B. 4
C. 8
D. 3
Answer» E.
Discussion
4.

The enable input is also known as

A. Select input
B. Decoded input
C. Strobe
D. Sink
Answer» D. Sink
Discussion
5.

How many NOT gates are required for the construction of a 4-to-1 multiplexer?

A. 3
B. 4
C. 2
D. 5
Answer» D. 5
Discussion
6.

In a multiplexer, the selection of a particular input line is controlled b?

A. Data controller
B. Selected lines
C. Logic gates
D. Both data controller and selected lines
Answer» C. Logic gates
Discussion
7.

A digital multiplexer is a combinational circuit that selects

A. One digital information from several sources and transmits the selected one
B. Many digital information and convert them into one
C. Many decimal inputs and transmits the selected information
D. None of the Mentioned
Answer» B. Many digital information and convert them into one
Discussion
8.

One multiplexer can take the place of

A. Several SSI logic gates
B. Combinational logic circuits
C. Several Ex-NOR gates
D. Several SSI logic gates or combinational logic circuits
Answer» E.
Discussion
9.

Which is the major functioning responsibility of the multiplexing combinational circuit?

A. Decoding the binary information
B. Generation of all minterms in an output function with OR-gate
C. Generation of selected path between multiple sources and a single destination
D. All of the Mentioned
Answer» D. All of the Mentioned
Discussion
10.

It is possible for an enable or strobe input to undergo an expansion of two or more MUX ICs to the digital multiplexer with the proficiency of large number of

A. Inputs
B. Outputs
C. Selection lines
D. All of the Mentioned
Answer» B. Outputs
Discussion
11.

Which combinational circuit is renowned for selecting a single input from multiple inputs & directing the binary information to output line?

A. Data Selector
B. Data distributor
C. Both data selector and data distributor
D. None of the Mentioned
Answer» B. Data distributor
Discussion
12.

What is a multiplexer?

A. It is a type of decoder which decodes several inputs and gives one output
B. A multiplexer is a device which converts many signals into one
C. It takes one input and results into many output
D. None of the Mentioned
Answer» C. It takes one input and results into many output
Discussion