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WAEC Computer Science Past Questions & Answers - Page 2

6.

The file access method illustrated in the diagram above is called?

A.

hashed access

B.

indexed access

C.

random access

D.

sequential access

Correct answer is B

No explanation has been provided for this answer.

7.

Sequential files are?

A.

sorted using index

B.

sorted in a particular order

C.

stored as they come

D.

stored in any storage media

Correct answer is B

No explanation has been provided for this answer.

8.

The octal fraction 0.65 converts to binary as

A.

0.110011

B.

0.110101

C.

101101

D.

101101

Correct answer is B

No explanation has been provided for this answer.

9.

12716 to  50A16

A.

62916

B.

63016

C.

63116

D.

63216

Correct answer is C

No explanation has been provided for this answer.

10.

In number system ,base 16 is called ?

A.

hexadecimal

B.

decimal

C.

duodecimal

D.

octal

Correct answer is A

No explanation has been provided for this answer.