1000+ Digital Electronics GATE Questions with Solutions Pdf - 1

Question: 1

An XOR gate produces output 1 only when two inputs are

(A) high

(B) different

(C) low

(D) equal

Question: 2

The Boolean algebra is mostly based on

(A) hybrid circuits

(B) analog circuits

(C) digital circuits

(D) none of these

Question: 3

A ring counter of five flip flop will have

(A) 5 states

(B) 10 states

(C) 32 states

(D) Infinite states

Question: 4

EPROM contents can be erased by exposing it to

(A) infrared rays

(B) Ultraviolet rays

(C) intense heat radiation

(D) burst of microwaves

Question: 5

The codes in which each successive code word differs from the preceding one in only one bit position are called

(A) cyclic codes

(B) BCD codes

(C) sequential codes

(D) self complementing codes