Computer Studies Past Questions

Question 1

jamb 2023

Which of the following controls the way in which the computer system functions and provides a means by which users can interact with the computer.

ACPU

Bapplication software

Coperating system

DALU

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Question 2

jamb 2023

In computer architecture, the type of bus that connects the major components of a computer system is

Aaddress

Bdata bus

Ccontrol bus

Dsystem bus

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Question 3

jamb 2023

Using Boolean identities, reduce the given Boolean expression:
A(A+1) + A(B+0) + C.1

AA + B + C

BA.B.C

CA.B + C

DA + C

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Question 4

jamb 2023

The first stage of data processing activities is ?

AManipulation

BCollection

CConversion

DSorting

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Question 5

jamb 2023

One of the following is not a good way to prevent virus.

Aencryption

Buse of firewall

Ccarelessly exposing your vital and personal information

Duse of antivirus software

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Question 6

jamb 2023

Translating the problem statement into a series of sequential steps describing what the program must do is known as

Acoding

Bcreating the algorithm

Cdebugging

Dwriting documentation

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Question 7

jamb 2023

The closest computer language to human is ?

AHigh level language

BLow level language

CMachine language

DAssembly language

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Question 8

jamb 2023

If the control unit controls other units of the CPU, which unit stores instructions,data and intermediate results.

AMemory unit

BArithmetic section

CControl unit

DLogic section

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Question 9

jamb 2023

Computers that are small and low cost are referred to as ?

Amini computers

Bsmall computers

Ctablet computers

Dmicro computers

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Question 10

jamb 2023

In BASIC, REM shows a statement to be

Aexecutable statement

Bun-executable statement

Ccomment

Doutput

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Question 11

jamb 2023

The computer that combines the functions of both analog and digital computers is called ?

ADigital computer

BAnalog computer

CHybrid computer

Dmultipurpose computer

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Question 12

jamb 2023

Computers manipulate data in many ways, and this manipulation is called ?

Abatching

Butilizing

Cprocessing

Dupgrading

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Question 13

jamb 2023

Which of the following monitors has only two colours

Acolour monitor

Bcolour graphic adapter (CGA)

Cdichrome monitor

Dmonochrome monitor

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Question 14

jamb 2023

which communication channel allows the sending of information in one direction only?

Asimplex mode

Bhalf duplex mode

Cduplex mode

Dfull duplex mode

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Question 15

jamb 2023

Which of the following is an example of graphics software ?

AMicrosoft word

BAdobe Illustrator

CMicrosoft powerpoint

DMS Access

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Question 16

jamb 2023

___ is the type of computer that is designed to operate on two states, 0 and 1.

AAnalog computer

BHybrid computer

CDigital computer

Dmicro computer

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Question 17

jamb 2023

The term used to describe when new information replaces old information or data is

Afile loss

Bdelete

Cre-write

Doverwrite

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Question 18

jamb 2023

Which of these programming languages is the most suitable for a business data processing?

ABASIC

BALGOL

CCOBOL

DFORTRAN

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Question 19

jamb 2023

The process where a programmer converts a program specifications into computer instructions is called ?

ADebugging

BCoding

CTesting

DSystem design

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Question 20

jamb 2023

The diagrammatic representation of an algorithm is

Apseudocodes

Bcodes

Cgraphics

Dflowchart

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