WAEC Computer Science Past Questions & Answers - Page 61

301.

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.

302.

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.

303.

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.

304.

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.

305.

Which of the following is the main advantage of intellectual property right? 

A.

Discouragement of sharing

B.

Discovery of brilliant persons

C.

Encouragement of innovations

D.

maximization of profit

Correct answer is C

No explanation has been provided for this answer.