NECO Computer Science Past Questions & Answers - Page 4

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16.

Notebook is an example of ..... Computer?

A.

macro

B.

mainframe

C.

micro

D.

mini

E.

super

Correct answer is C

No explanation has been provided for this answer.

17.

Lady Ada Lovelace improved upon the idea of?

A.

Babbage's analytical engine

B.

Babbage's difference engine

C.

Herman hollerinth's machine

D.

Leibnitz's calculator

E.

Pascal's arithmetic

Correct answer is A

No explanation has been provided for this answer.

18.

The common name for all input and output devices is?

A.

keyboard

B.

peripheral

C.

printer

D.

storage medium

E.

system unit

Correct answer is B

No explanation has been provided for this answer.

19.

Integrated circuit chips used in micro computer are made of element called?

A.

chromium

B.

copper

C.

gold

D.

silicon

E.

silver

Correct answer is B

No explanation has been provided for this answer.

20.

What is the function of control unit in the CPU?

A.

decodes program instructions

B.

generates data from the field

C.

performs logic functions

D.

stores program instructions

E.

transfers data to primary storage.

Correct answer is C

No explanation has been provided for this answer.