Combinational Logic Circuits MCQ Quiz Questions and Answers Pdf - 2
Question: 6
Which of the following devices selects one of several inputs and transmits it to a single output?
(A) Counter
(B) Decoder
(C) Multiplexer
(D) Demultiplexer
Ans: C
Multiplexer
Question: 7
The advantage of serial transfer compared with parallel transfer for data transmission is that
(A) BCD is compatible
(B) It is faster
(C) It needs only one wire
(D) All of these
Ans: C
It needs only one wire
Question: 8
A basic instruction that can be interpreted by a computer generally has
(A) An address and decoder
(B) Sequence register and decoder
(C) A decoder and an accumulator
(D) An operand and an address
Ans: D
An operand and an address
Question: 9
In a digital counter circuit, feedback loop is introduced to
(A) Reduce number of input pulses to reset the counter
(B) Synchronous input and output pulses
(C) Improve stability
(D) Improve distortion
Ans: A
Reduce number of input pulses to reset the counter
Question: 10
Flip flop outputs are always
(A) Same as inputs
(B) Independent of each other
(C) The same
(D) Complimentary
Ans: D
Complimentary
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