Computer Science questions and answers

Computer Science Questions and Answers

Challenge your competence level in computers, computing, algorithms, hardware and software with these Computer science questions and answers.

101.

127\(_{16}\) to  50A\(_{16}\)

A.

629\(_{16}\)

B.

630\(_{16}\)

C.

631\(_{16}\)

D.

632\(_{16}\)

Correct answer is C

No explanation has been provided for this answer.

102.

In number system ,base 16 is called ?

A.

hexadecimal

B.

decimal

C.

duodecimal

D.

octal

Correct answer is A

No explanation has been provided for this answer.

103.
104.

The keyboard key combination ALT + F4 in microsoft windows will

A.

close active programmes

B.

open a file

C.

restart the computer

D.

Select two stages of booting from the following list

Correct answer is A

No explanation has been provided for this answer.

105.

Deleted items in the computers are temporarily stored in the?

A.

memory unit

B.

processor

C.

recycle bin

D.

task manager

Correct answer is C

No explanation has been provided for this answer.