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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