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.

81.

Which of the following is used for modulation and demodulation ?

A.

Gateway

B.

Protocol

C.

Modem

D.

Multiplex

Correct answer is C

A modem(modulator-demodulator) is a hardware device that connects a computer or router to a broadband network

82.

The number of entries in the figure above is?

A.

3

B.

4

C.

5

D.

12

Correct answer is A

No explanation has been provided for this answer.

83.

Ethical practice requires a computer user to 

A.

shutdown properly

B.

hack into other peoples computer

C.

intrude into peoples privacy

D.

copy software without the license

Correct answer is A

No explanation has been provided for this answer.

84.

Duplicating copyrighted electronic or digital content without the authors approval is considered?

A.

felonious

B.

ethical

C.

treasonable

D.

unethical

Correct answer is A

No explanation has been provided for this answer.

85.

Serial files are

A.

stored using a key

B.

sorted in a particular order

C.

stored as they come

D.

stored in any storage media

Correct answer is C

No explanation has been provided for this answer.