JAMB Computer Science Past Questions & Answers - Page 43

211.

The Internet is an example of which computer network?

A.

LAN

B.

MAN

C.

CAN

D.

WAN

Correct answer is D

Mesh network topologies are typical of the internet, and certain wide area networks (WANs)

212.

What does LAN stand for?

A.

Land area network

B.

Local arrangement network

C.

Legal alternative network

D.

Local area network

Correct answer is D

A local area network (LAN) is a collection of devices connected together in one physical location, such as a building, office, or home. A LAN can be small or large, ranging from a home network with one user to an enterprise network with thousands of users and devices in an office or school.
Regardless of size, a LAN's single defining characteristic is that it connects devices that are in a single, limited area.

213.

Internet explorer is used for

A.

viewing movies

B.

Listening to music

C.

Drawing

D.

viewing Web pages

Correct answer is D

The Internet explorer is used view Web pages. Internet Explorer is a free web browser, commonly called IE or MSIE, that allows users to view web pages on the internet. It is also used to access online banking, online marketing over the internet, listen to and watch streaming videos, and many more. It was introduced by Microsoft in 1995

214.

In which situation does running application remain active?

A.

when log off

B.

when user is switched

C.

when shut down

D.

when reboot

Correct answer is B

Running applications remain active when user is switched because, when user is switched, cache memory is not cleared and the computer system does not go off. Therefore, running apps remain active when user is switched

215.

In which situation does running application remain active?

A.

when log off

B.

when user is switched

C.

when shut down

D.

when reboot

Correct answer is B

Running applications remain active when user is switched because, when user is switched, cache memory is not cleared and the computer system does not go off. Therefore, running apps remain active when user is switched