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 51
jamb 2023

What part of the central processing unit coordinates other units and manages the computer resources ?

Acoordinating unit
BMemory unit
CArithmetic Logic unit
DControl unit
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Question 52
jamb 2023

Evaluate \(1011_2 + 122_4\), leaving your answer in base 10.

A37
B51
C47
D73
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Question 53
jamb 2023

Which of these storage devices can act as a buffer between the CPU and the main memory ?

AHard disk
BFloppy disk
CCache Memory
DFlash drive
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Question 54
jamb 2023

What is the difference between an assembler and a compiler ?

Aan assembler converts a machine language code into assembly level language code while a compiler converts high level programming language to a machine language code.
Ban assembler converts assembly level language code into machine language code while a compiler converts high level programming language code to a machine language code.
Ca compiler converts assembly level language code into machine lange while an assembler converts high level programming language to a machine language code.
Dthey both convert assembly level language code into machine lange
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Question 55
jamb 2023

Translators are type of ?

ASystem software
BOperating system
CUtility programs
DApplication software
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Question 56
jamb 2023

At what stage in system development life cycle are all data documented in the form of detailed data flow diagrams(DFDs)

ASystem design
BFeasibility study
CSystem analysis
DInvestigative study
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Question 57
jamb 2023

The only possible number base for 235\(_x\) among the following is ?

A3
B5
C4
D6
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Question 58
jamb 2023

How many bits are in one nibble ?

A2
B4
C8
D16
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Question 59
jamb 2023

Which of the following is a valid variable name in Python?

Amy_variable$
Bmy_variable
Cmy-variable
D1my_variable
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Question 60
jamb 2023

Which of these criteria is not important while classifying files ?

AOrganization method
BNature of content in the file
CSize of the file
DStorage medium
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Question 61
jamb 2023

What is the shortcut for creating a new document ?

ACtrl + N
BCtrl + O
CCtrl + Q
DCtrl + M
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Question 62
jamb 2023

Anti-virus software is an example of ?

AUtility programs
BOperating systems
CApplication software
DTranslators
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Question 63
jamb 2023

The type of database in which the data are connected in different files by using common data elements or a key field is ?

ARelational database
BNetwork database
CHierarchical database
DObject-oriented database
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Question 64
jamb 2023

Which of these commands will reboot the computer ?

ACtrl + Alt + Del
BCtrl + Del
CCtrl + Alt + C
DCtrl + Alt
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Question 65
jamb 2023

Which of the following is not a third generation language?

AFORTRAN
BCOBOL
CAssembly language
DBasic
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Question 66
jamb 2023

Which of the following components of the computer is referred to as the administrative section ?

ACPU
BOutput unit
CInput unit
DMemory Unit
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Question 67
jamb 2023

The process of finding and correcting errors in the program code is called ?

Atesting
BDebugging
CEditing
Dcoding
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Question 68
jamb 2023

Which of the following is not an example of graphics packages

AFreelance
BQuattro pro
CCorel draw
DHavard graphics
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Question 69
jamb 2023

The first step in a CPU instruction cycle is

ADecode
BGet
CFetch
DExecute
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Question 70
jamb 2023

The following are the methods of file security except

Ahacking
Buse of password
CUse of back up
DUse of Anti-virus
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