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# Digital Electronics and Logic Design MCQs | Page - 1

Dear candidates you will find MCQ questions of Digital Electronics and Logic Design here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

(A) 111100
(B) 110110
(C) 110111
(D) 1011

(A) a ex-nor b
(B) a ex or b
(C) (a+b)a
(D) (a+b)b

(A) 3f2.89
(B) 3f2.98
(C) 2f3.89
(D) 2f3.98

## `Q. 4) A three input NOR gate gives logic high output only when`

(A) one input is high
(B) one input is low
(C) two input are low
(D) all input are low

## `Q. 5) The absorption law in Boolean algebra say that`

(A) x + x = x
(B) x . y = x
(C) x + x . y = x
(D) none of the above

(A) aacb
(B) 0
(C) abcd
(D) ffff

(A) 22
(B) 22.2
(C) 20.2
(D) 27.5

## `Q. 8) The negative numbers in the binary system can be represented by`

(A) sign magnitude
(B) 2\s complement
(C) 1\s complement
(D) all of the above

## `Q. 9) Negative numbers cannot be represented in`

(A) signed magnitude form
(B) 1’s complement form
(C) 2’s complement form
(D) none of the above

## `Q. 10) The answer of the operation (10111)2*(1110)2 in hex equivalence is`

(A) 150
(B) 241
(C) 142
(D) 1.01e+08

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