WAEC Past Questions and Answers - Page 2511

12,551.

Which of the following options best shows the arrangement of file structure?   

I File

ll. Field

III. Character

IV, Record

A.

III, II, I and IV

B.

II, III, I and IV

C.

IlI, II, IV and I

D.

II, III, IV and I

Correct answer is A

No explanation has been provided for this answer.

12,552.

Which of the following is not a criterion files? 

A.

Nature of content

B.

Organizational method

C.

Storage medium

D.

Type of data

Correct answer is C

No explanation has been provided for this answer.

12,553.

The EBCDIC coding system was developed on?

A.

IBM mainframe computers

B.

HP mainframe and minicomputers

C.

Dell mainframe computer

D.

Apple mainframe computers

Correct answer is C

No explanation has been provided for this answer.

12,554.

The decimal fraction 0.9375 converts to binary?

A.

0.0111

B.

0.1011

C.

0.1111

D.

0.1001

Correct answer is C

No explanation has been provided for this answer.

12,555.

A single hexadecimal digit is represented by?

A.

one bit

B.

two bits

C.

four bits

D.

eight bits

Correct answer is C

No explanation has been provided for this answer.