WAEC Data Processing Past Questions & Answers - Page 17

81.

Which of the following terms is not a feature of distributed database?

A.

Fragmentation

B.

Multiple storage

C.

Replication

D.

Single server

Correct answer is D

No explanation has been provided for this answer.

82.

To prevent the loss of data in the computer, it is better to implement file

A.

Access

B.

Maintenance

C.

Checks

D.

Backup

Correct answer is D

No explanation has been provided for this answer.

83.

The following media are used for information transmission except

A.

Diary

B.

Magazine

C.

Radio

D.

Television

Correct answer is A

No explanation has been provided for this answer.

84.

A file organization that contains a reference number is called

A.

Direct access

B.

Indexed access

C.

Random access

D.

Sequential access

Correct answer is B

No explanation has been provided for this answer.

85.

The best arrangement that gives the correct order of magnitude of the database element is

A.

Character, field, record, table, database, file

B.

Character, field, record, table, file, database

C.

Record, file, field, table, character, database

D.

Table, file, record, field, character, database

Correct answer is B

No explanation has been provided for this answer.