Computer Studies Past Questions

Study and practice Computer Studies past questions with answers and detailed explanations. Then test your knowledge using our interactive CBT practice platform and prepare confidently for your upcoming examinations.

292 questions JAMB 292 WAEC 597 NECO 60 CUSTOM 2
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Past Questions

292 questions
Question 1 of 20 292 total questions
Question 131
jamb 2022

The joystick typically have a button on _________ used to select the option pointed by the cursor.

Abottom
Bleft
Cright
Dtop
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Question 132
jamb 2022

The device primarily used to provide hardcopy is the?

Aprinter
Bcard reader
Ccomputer console
DCRT
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Question 133
jamb 2022

A light sensitive device that converts drawing, printed text or other images into digital form is

Akeyboard
BPlotter
CScanner
DOMR
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Question 134
jamb 2022

What controls the way in which the computer system function and provides a means by which users can interact with the computer.

AApplication software
BInternet
COperating system
DControl unit
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Question 135
jamb 2022

The set of rules that defines the combination of symbols that are considered to be correctly structured statements or expressions in that language is called _________

ASyntax
BInstruction
CProgram
DDomain
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Question 136
jamb 2022

Which of the following is termed as the minimum error code?

Abinary code
Bgray code
Cexcess 3 code
Doctal code
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Question 137
jamb 2022

The binary system has the radix of ________

A0
B1
C2
D½
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Question 138
jamb 2022

How many different values can a bit have?

A2
B4
C10
D256
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Question 139
jamb 2022

Java is a ______ language

AHigh level
BLow level
CMachine
DAlgorithm
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Question 140
jamb 2022

A tier in which the database resides along with the query processing language is called

Aapplication tier
Bdata tier
Cpresentation tier
Dmodel tier
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Question 141
jamb 2022

The end users are able to operate at the _______ tier.

Amodel
Bapplication
Cdata
Dpresentation
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Question 142
jamb 2022

A 2-input gate that can be used to pass a digital waveform unchanged at certain times and inverted at other times is ___________

AAND gate
BOR gate
CNAND gate
DXOR gate
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Question 143
jamb 2022

When does the output of a NAND gate =1?

Awhenever a 0 is present at an input
Bonly when all input =0
Cwhenever 1 is present at an input
Donly when all input =1
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Question 144
jamb 2022

What is a computer file.

AA computer program
BA document like bunch of text
CA place on a computer where information is stored in a package
DA physical paper document that entails how a computer works
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Question 145
jamb 2022

In the files, if order of operation on two or more files are similar, then operation will be

Acomplex
Bsimple
Csequential
Dcombinational
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Question 146
jamb 2022

CRACKING comes under ___________

Awebsite service
Btranscription
Ccomputer crime
Ddata security
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Question 147
jamb 2022

Encryption helps with what?

ASpam messages
Bidentify source of message
CSafe delivery of messages to destination without being accessed by a third party
Dinterpretation of message and digital data
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Question 148
jamb 2022

In any software package, which of the following versions represents a major improvement on the previous version?

A1.0
B1.5
C2.0
D2.5
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Question 149
jamb 2022

An inventory management program can assist with ________

Adistribution
Bpurchasing
Cplanning
Dall of the above
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Question 150
jamb 2022

Storage which retains data after power cut off is called.

AVolatile storage
BNon-volatile storage
CSequential storage
DDirect storage
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