WAEC Data Processing Past Questions & Answers - Page 58

286.

A data element that uniquely identifies one record from the other in a table is the

A.

Attribute key

B.

Determinant

C.

Entity key

D.

Primary key

Correct answer is A

No explanation has been provided for this answer.

287.

In Database Management System (DBMS), linking entities is used to represent?

A.

Attributes

B.

Objects

C.

Relationships

D.

Relations

Correct answer is C

A relationship in a DBMS, is primarily the way two or more data sets are linked, relationships allow the datasets to share and store the data in separate tables. 

288.

Which of the following is not a feature of the drawing tool bar?

A.

Oval shape

B.

Line

C.

Drop Cap

D.

Arc

Correct answer is C

No explanation has been provided for this answer.

289.

A Microsoft Office application suites include all the following except

A.

Word

B.

Access

C.

CorelDraw

D.

PowerPoint

Correct answer is B

No explanation has been provided for this answer.

290.

An operating system will perform the following except

A.

Files and folder arrangement

B.

Storage location

C.

User profile creation

D.

Protection from surge

Correct answer is D

No explanation has been provided for this answer.