Computer Science Objective Questions for Competitive Exams 2020-21 - 2

Question: 6

The name of the data representation in a computer uses the number system is

(A) Octal

(B) Hexadecimal

(C) Decimal

(D) Binary

Question: 7

The basic unit used in computer data storage is called a

(A) Bit (binary digit)

(B) Beet (binary digit)

(C) Byte (binary digit)

(D) All of these

Question: 8

There are ____ bits in ASCII codes.

(A) 4

(B) 8

(C) 16

(D) 32

Question: 9

A ____ is approximately one billion bytes.

(A) Bit

(B) Megabyte

(C) Gigabyte

(D) Kilobyte

Question: 10

System maintenance

(A) is usually not necessary

(B) is necessary on all systems, regardless of how good

(C) aways requires several programmers

(D) is not required if the system is well kept