WAEC Computer Science Past Questions & Answers - Page 51

251.

The illegal copying and use of proprietary/copy righted software is called?

A.

hacking

B.

spamming

C.

hardware piracy

D.

software piracy

Correct answer is D

No explanation has been provided for this answer.

252.

Sorting of records is sufficient and a necessary condition for creating?

A.

random file

B.

indirect file

C.

sequential file

D.

indexed sequential file

Correct answer is C

No explanation has been provided for this answer.

253.

Which of the following is a temporary file that can be used only once and then discarded?

A.

Refresh file

B.

Master file

C.

System file

D.

Transaction file

Correct answer is D

No explanation has been provided for this answer.

254.

Which of the following is true of a digital logic gate?

A.

It has at least two inputs but only one output

B.

It has many outputs and inputs.

C.

It has at least one or more inputs but only one output

D.

It has at least one input and two outputs

Correct answer is A

No explanation has been provided for this answer.

255.

The decimal number 1024 in hexadecimal equivalent is?

A.

24

B.

400

C.

3E8

D.

8BB

Correct answer is A

No explanation has been provided for this answer.