WAEC Computer Science Past Questions & Answers - Page 53

261.

Converting 4B7\(_16\) to binary?           

A.

0100 1010 0111

B.

0100 1011 0111,

C.

0100 1000 0111,

D.

0100 1100 0111

Correct answer is C

No explanation has been provided for this answer.

262.

One megabyte is equivalent to?

A.

one million bytes

B.

two million bytes

C.

three million bytes

D.

four million bytes

Correct answer is B

No explanation has been provided for this answer.

263.

In a database, a primary key is a field which contains?

A.

text only

B.

unique entries

C.

duplicate values

D.

numeric value only

Correct answer is B

No explanation has been provided for this answer.

264.

Principal uses of word processing software packages include:

I preparing deft articles for publication

ll pre- paring reports for top management

Ill preparing accounts
IV preparing organizations' newsletter.

A.

I, II and IV only

B.

I, II and IV only

C.

II, II and IV only

D.

I, I, IIl and IV.

Correct answer is C

No explanation has been provided for this answer.

265.

A block of text that is marked by the tab key when the enter key is pressed can be referred to as?

A.

margin

B.

paragraph

C.

white space

D.

word wrap

Correct answer is B

No explanation has been provided for this answer.