basics of hardware & software Practice Questions Answers Test with Solutions & More Shortcuts

Question : 16

..........Are used for converting one type of number system in to other form.

a) half adder

b) logic gate

c) Encoder

d) FA

e) None of these

Question : 17

The hardware device commonly referred to as the “brain” of the computer is the __________.

a) RAM chip

b) data input

c) CPU

d) secondary storage

e) None of these

Question : 18

8085 was introduced in ___

a) 1971

b) 1972

c) 1976

d) 1978

e) None of these

Question : 19

An X-OR gate produces an output only when it's two inputs are

a) high

b) low

c) None of these

d) same

e) different

Question : 20

The decimal number is converted in to excess 3 codes by adding, to each decimal digit.

a) 4

b) 8

c) 3

d) 2

e) 7