WAEC Past Questions and Answers - Page 2571

12,851.

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.

12,852.

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.

12,853.

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.

12,854.

The word bit refers to?

A.

the value zero or one

B.

the value zero of more

C.

central processing unit command

D.

central processing unit instructions

Correct answer is A

No explanation has been provided for this answer.

12,855.

The main advantage of intellectual property right is?

A.

maximization of profit

B.

discovering of brilliant persons

C.

discovering of sharing

D.

encouragement of innovations.

Correct answer is A

No explanation has been provided for this answer.