7000+ Sequential Logic Circuits MCQ with Answers Pdf - 1

Question: 1

Which of the following adders can add three or more numbers at a time?

(A) Carry save adder

(B) Carry look ahead adder

(C) Full adder

(D) Parallel adder

Ans: A

Carry save adder

Question: 2

Which of the following circuit is called latch?

(A) ROM circuit

(B) AND circuit

(C) NAND circuit

(D) Flip flop

Ans: D

Flip flop

Question: 3

Which of the following logic circuits takes data from a single source and distributes it to one of the several output lines?

(A) Multiplexer

(B) Demultiplexer

(C) Data selector

(D) Parallel counter

Ans: B

Demultiplexer (DEMUX)

Question: 4

What table shows logical state of a digital circuit output for every possible combination of logical states in the inputs?

(A) Function table

(B) ASCII table

(C) Routing table

(D) Truth table

Ans: D

Truth table

Question: 5

Half duplex transmission means that transmission is possible in

(A) One direction only

(B) In both directions

(C) Both directions simultaneously

(D) Both directions, but not simultaneously

Ans: D

Both directions, but not simultaneously

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