JAMB Computer Science Past Questions & Answers - Page 17

81.

Modem computers Compared to earlier computers are ?

A.

less reliable

B.

faster and larger

C.

larger and stronger

D.

faster and smaller

Correct answer is D

No explanation has been provided for this answer.

82.

One-millionth of a second is also referred to as

A.

nanosecond

B.

microsecond

C.

millisecond

D.

picosecond

Correct answer is B

No explanation has been provided for this answer.

83.

Which of the following is not a type of computer on the basis of operation?

A.

Remote

B.

Hybrid

C.

Analog

D.

Digital

Correct answer is A

Every other option but option A, is a type of computer based on the basis of operation

84.

_______ is the process of finding errors and fixing them within a program

A.

Compiling

B.

Executing

C.

Debugging

D.

Scanning

Correct answer is C

Debugging is the process of detecting and removing of existing and potential errors (also called as 'bugs') in a software code that can cause it to behave unexpectedly or crash. To prevent incorrect operation of a software or system, debugging is used to find and resolve bugs or defects

85.

Which of these is not a job of the operating system

A.

Stopping unauthorised users accessing files that do not belong to them

B.

Handling HTTP requests for Web pages

C.

Allocating memory to programs that are running on the computer

D.

none of the above

Correct answer is C

The operating system doesn't handle HTTP requests for Web pages because it controls the computer system