WAEC Past Questions and Answers - Page 2557

12,781.

Figure 1 is a logic gate. Use it to answer question 17.

A.

AND gate

B.

NAND gate

C.

NOR gate

D.

OR gate

Correct answer is C

No explanation has been provided for this answer.

12,782.

The largest computer system in terms of processing power is A? 

A.

laptop computer

B.

mainframe computer

C.

minicomputer

D.

super computer

Correct answer is D

No explanation has been provided for this answer.

12,783.

The major components of a computer system are?

A.

fimware and humanware

B.

hardware and firmware

C.

hardware and software

D.

software and firmware

Correct answer is C

No explanation has been provided for this answer.

12,784.

Which of the following options is not a data type?

A.

Alphabetic data

B.

Alphanumeric data

C.

Numeric data

D.

Valid data

Correct answer is D

No explanation has been provided for this answer.

12,785.

Random file organisation is also known as? 

A.

direct file organisation

B.

indexed file organisation

C.

serial file organisation

D.

sequential file organisation

Correct answer is A

No explanation has been provided for this answer.