Digital Electronics Quiz Questions with Answers Pdf - 2

Question: 6

A combinational logic from circuit which is used to send data coming from a single source to two or more separate destinations is called as

(A) Multiplexer

(B) Demultiplexer

(C) Encoder

(D) Decoder

Ans: B

Demultiplexer

Question: 7

The output of a NOT gate is HIGH when

(A) Voltage is removed from the gate

(B) The input changes from LOW to HIGH

(C) The input is HIGH

(D) The input is LOW

Ans: D

The input is LOW

Question: 8

How many inputs of a four –input AND gate must be HIGH in order for the output of the logic gate to go HIGH?

(A) Any one of the inputs

(B) Any two of the inputs

(C) Any three of the inputs

(D) All four inputs

Ans: D

All four inputs

Question: 9

A 2-input NOR gate is equivalent to a

(A) Negative-OR gate

(B) Negative-AND gate

(C) Negative-NAND gate

(D) Negative-XOR gate

Ans: B

Negative-AND gate

Question: 10

A decoder converts

(A) HIGHs to LOWs

(B) Noncoded information into coded form

(C) Coded information into noncoded form

(D) None of these

Ans: C

Coded information into noncoded form

Related Questions