1000+ Electronics and Communication Engineering Objective Questions Pdf - 2

Question: 6

A logic gate is an electronic circuit which

(A) performs arithmetic and logic functions

(B) operates on binary algebra

(C) alternates between 0 and 1 values

(D) allow flow of electrons only in one direction

Question: 7

Multiplexer has

(A) one data output and a number of select inputs

(B) one data output and a number of data inputs

(C) one data output a number of data inputs and a number of select inputs

(D) one data input and number of data outputs

Question: 8

How many input and output required for multiplexer?

(A) one input and many output

(B) one input and one output

(C) many input and one output

(D) none of the above

Question: 9

Compared to a parallel adder, a serial adder is

(A) slower and required less hardware

(B) faster and requires less hardware

(C) slower and requires more hardware

(D) faster and requires more hardware

Question: 10

The ASCII is an input code which is a

(A) seven bit code

(B) eight bit code

(C) four bit code

(D) two bit code