JAMB Computer Science Past Questions & Answers - Page 44

216.

What does a linker program do?

A.

it places the program in the memory for execution

B.

relocates the program to execute from the specific memory area allocated to it

C.

Links the program with other programs needed for its execution

D.

interface the program with the entities generating its input data

Correct answer is C

from the name linker program, a linker program links a program with other programs needed for its execution. It does this by taking one or more objects files and combining them into a single executable file, library file, or another object file

217.

What does CO stand for in COBOL

A.

common object

B.

common

C.

computer oriented

D.

common operating

Correct answer is B

COBOL stands for common business oriented language. Therefore, CO stands for common

218.

What tells the computer how to use its components?

A.

utility

B.

application

C.

operating system

D.

network

Correct answer is C

Operating system being responsible for the running of the computer system, tells the computer how to use its component, and the most suitable component to use

219.

Which among the following generation computers had expensive operation cost?

A.

First

B.

Second

C.

Third

D.

Fourth

Correct answer is A

The first generation computers had extensive operation cost because of many reasons such as the excess consumption of electricity, high generation of heat, as well as the cost of maintaining it

220.

System software has which major function?

A.

Giving utility

B.

making navigation easier for user

C.

controlling the computer system

D.

maintain the system

Correct answer is C

The system software controls the computer system.
System software controls a computer's internal functioning, chiefly through an operating system, and also controls such peripherals as monitors, printers, and storage devices