WAEC Past Questions and Answers - Page 2588

12,937.

9\(_{10}\) is equivalent to X\(_8\), where X is?        

A.

7

B.

10

C.

11

D.

12

Correct answer is C

No explanation has been provided for this answer.

12,938.

The conversion of 11001\(_2\), to base ten equals?     

A.

20

B.

25

C.

28

D.

30

Correct answer is B

No explanation has been provided for this answer.

12,939.

In hexadecimal number system, B, D and F represent which of the following decimal numbers? 

A.

11, 13 and 14 respectively.

B.

12, 14 and 15 respectively

C.

13, 14 and 15 respectively

D.

14, 16 and 17 respectively

Correct answer is B

No explanation has been provided for this answer.

12,940.

Which of the following statements is true of free software? It

A.

can be borrowed freely

B.

is a low-cost software

C.

is a free unlicensed software

D.

is a licensed software with permission to copy freely.

Correct answer is D

No explanation has been provided for this answer.