WAEC Data Processing Past Questions & Answers - Page 54

266.

In e-mail context, bcc stands for 

A.

Backup carbon copy

B.

Blank carbon copy

C.

Blind carbon copy

D.

Bulk carbon copy

Correct answer is C

No explanation has been provided for this answer.

267.

Computer virus cannot be transmitted by 

A.

Downloading files

B.

E-mail attachment

C.

Pen drives

D.

Typing of keyboard

Correct answer is D

No explanation has been provided for this answer.

268.

Which of the following measures are used to secure data on-line? I. Password II. Encryption III. Personal Identification Number (PIN)

A.

II only

B.

III only

C.

II and III

D.

I, II, and III

Correct answer is D

No explanation has been provided for this answer.

269.

A computer pofessional who studies an existing system with a view to evolving a computer based system from it is

A.

System analyst

B.

System administrator

C.

Computer programmer

D.

Computer engineer

Correct answer is A

No explanation has been provided for this answer.

270.

The basic criterion for classifying a network is

A.

Psychological consideration

B.

Geographical scope

C.

Equipment availability

D.

Economic reason

Correct answer is B

No explanation has been provided for this answer.