JAMB Computer Science Past Questions & Answers - Page 20

96.

The hexadecimal digits are 0-9 and A-_____

A.

E

B.

F

C.

G

D.

D

Correct answer is B

Hexadecimal has 16 digits ranging from 0 to 9, and A to F

97.

___________________ is a program meant to be sent from one computer to another across the world wide Web

A.

Applet

B.

Mail

C.

algorithm

D.

data packages

Correct answer is A

COBOL is a computer programming language designed for use in commerce(Number bases)

98.

The java interpreter translates a java program from ____________ to machine language

A.

nibble

B.

bit

C.

byte code

D.

high level language

Correct answer is C

The java interpreter translates a java program from ____________Byte code. This is a program code that has been compiled from source code into low level code designed for a software interpreter. to machine language

99.

The logical structure of the database can be depicted through its ______

A.

Domain

B.

Data model

C.

Architecture

D.

Schemas

Correct answer is B

Data model. It is the logical inter relationships and data flow between different data elements involved in the information word. Through the flow chart, the logical structure of a database can be depicted

100.

A collection of facts and figures is known to be _________

A.

Data

B.

Database

C.

sequenced data

D.

structural data

Correct answer is A

Data are a set of values of qualitative or quantitative variables about one or more persons or objects, while a datum (singular of data) is a single value of a single variable. They are individual facts, statistics, or items of information, often numeric