JAMB Computer Science Past Questions & Answers - Page 31

151.

The acronym from DATABASE MANAGEMENT SYSTEM is ________________

A.

DMS

B.

DBMS

C.

DMGS

D.

DMSM

Correct answer is B

DBMS.
A Database Management System (DBMS) is software designed to store, retrieve, define, and manage data in a database

152.

Which of the following is not a type of logic gate

A.

XOR

B.

OR

C.

AND

D.

DOR

Correct answer is D

Dor is not a type of logic gate

153.

A logic circuit performs ________ functions

A.

Interpretation

B.

Processing and Controlling

C.

Storage

D.

Security

Correct answer is B

The logic circuit performs the function of processing and controlling in a computer. They perform logical operations

154.

Computer files can be characterised by all but,

A.

A title

B.

It's accessibility

C.

The ability to be modified

D.

Where it is stored

Correct answer is D

The storage position of a file isn't one of its numerous characters because, it can be stored either in a primary or secondary memory

155.

Numerous files are referred to as _____________

A.

Files

B.

Folder

C.

Memo

D.

Drafts

Correct answer is B

Folders are created to help collate similar files before storing them. This helps to find files from folder because of its orderly arrangements