Digital Electronics MCQ with Answers PDF - 1
Question: 1
Which of the following is not an analog device?
(A) Audio microphone
(B) Light switch
(C) Current flow in a circuit
(D) Thermocouple
Ans: B
Light switch
Question: 2
Which of the following gates has the exact inverse output of the OR gate for all possible input combinations?
(A) AND
(B) NOT
(C) NOR
(D) NAND
Ans: C
NOR
Question: 3
Full adder is used to
(A) 2 bit addition
(B) 3 bit addition
(C) 4 bit addition
(D) 6 bit addition
Ans: B
3 bit addition
Question: 4
Which format requires fewer conductors?
(A) Perpendicular
(B) Parallel
(C) Serial
(D) Both are the same
Ans: C
Serial
Question: 5
The systematic reduction of logic circuits is accomplished by
(A) Using a truth table
(B) TTL logic
(C) Symbolic reduction
(D) Using Boolean algebra
Ans: D
Using Boolean algebra
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