WAEC Past Questions and Answers - Page 2521

12,601.

Effects of file insecurity include the following except?

A.

virus infection

B.

file corruption

C.

encrypted data

D.

data loss

Correct answer is C

No explanation has been provided for this answer.

12,602.

The following actions are sources of breaches in computing except?

A.

carelessness

B.

hackers' threat

C.

piracy

D.

viruses

Correct answer is A

No explanation has been provided for this answer.

12,603.

In BCD encoding system, 25, will be represented as? 

A.

01100101

B.

01010110

C.

00100101

D.

0101001

Correct answer is C

No explanation has been provided for this answer.

12,604.

Multiply 101\(_2\) by 11\(_2\)       

 

A.

1001\(_2\)

B.

1011\(_2\)

C.

1110\(_2\)

D.

1111\(_2\)

Correct answer is D

No explanation has been provided for this answer.

12,605.

A bit as used in computing in digital communication is? 

A.

a decimal digit

B.

an octal digit

C.

a bin digit

D.

a hexadecimal digit

Correct answer is C

No explanation has been provided for this answer.