NECO Past Questions and Answers - Page 114

566.

Integrated circuit chips used in micro computer are made of element called?

A.

chromium

B.

copper

C.

gold

D.

silicon

E.

silver

Correct answer is B

No explanation has been provided for this answer.

567.

What is the function of control unit in the CPU?

A.

decodes program instructions

B.

generates data from the field

C.

performs logic functions

D.

stores program instructions

E.

transfers data to primary storage.

Correct answer is C

No explanation has been provided for this answer.

568.

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.

569.

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.

570.

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.