NECO Computer Science Past Questions & Answers - Page 5

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21.

The following are examples of synchronous communication, except?

A.

blogs

B.

Google talk

C.

phone

D.

video conferencing

E.

yahoo messenger

Correct answer is A

No explanation has been provided for this answer.

22.

The computer that features a Liquid Crystal Display (LCD) is known as ...... Computer?

A.

desktop

B.

digital

C.

hybrid

D.

laptop

E.

notebook

Correct answer is D

No explanation has been provided for this answer.

23.

The  ...... is added to a host computer hardware in order to expand its abilities?

A.

input devices

B.

monitor

C.

peripheral

D.

scanner

E.

webcam

Correct answer is C

No explanation has been provided for this answer.

24.

Which of these characteristics of languages is common to all computer programs?

A.

It uses symbolic storage address

B.

Machine dependence

C.

Uses instructions that seem like English

D.

Uses mnemonics

E.

Uses special codes

Correct answer is E

No explanation has been provided for this answer.

25.

The distribution of video and audio content to a dispersed audience through electronic media is called?

A.

broadcasting

B.

communication

C.

information

D.

messages

E.

news

Correct answer is A

No explanation has been provided for this answer.