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.

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

951 questions
Question 1 of 20 951 total questions
Question 41
waec 2024

Debugging in program development is the process of 

Afixing errors.
Bintroducing bugs.
Cremoving virus.
Dwriting error messages.
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Question 42
waec 2024

Which of the following statements about operating system is false? It 
 

Aenhances the booting process.
Bmanages computer devices.
Cmanages storage location.
Dprotects the computer from surge.
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Question 43
waec 2024

One usefulness of utility software in the computer is  

Aconversion of source code to object code.
Benhancement of communication between hardware and the computer system.
Cremoval of malware from the computer.
Dto improve the functionality of hardware devices.
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Question 44
waec 2024

 Which of the following statements explains the function of device drivers? They 

Aconvert source code to object code.
Benable hardware and software control and manage the system.
Chelp to clean disk space and manage installation of applications.
Dhelp to improve the functionality of hardware devices.
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Question 45
waec 2024

MS Access is an example of 

AWord processing package.
Bspreadsheet application.
Cgraphic software.
Ddatabase management system.
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Question 46
waec 2024

 The part labeled Q in Figure 3 is called 

Acontrol unit.
Bdata bus.
Cmemory unit.
Dregister.
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Question 47
waec 2024

Using the given values of X and Y for the device in Figure 1, what will be the value of the output Z if it is passed through the device in Figure 2? 

 X  Y

 0

 0

 1

 1

 0

 1

 0

 1

A0001
B0110
C0111
D1000
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Question 48
waec 2024

If the input variable Y in Figure 1 is passed through the device in Figure 2 before going into the logic gate in Figure 1, compute the resulting value of the output at Z. 

 X  Y

 0

 0

 1

 1

 0

 1

 0

 1

A0111
B1011
C1101
D110
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Question 49
waec 2024

Use the devices in Figures 1 and 2 to answer the questions given that the input variables X and Y have values of 0011 and 0101 respectively as shown in Table 1.

 X  Y

 0

 0

 1

 1

 0

 1

 0

 1

If the input variable X in Figure 1 is passed through the device in Figure 2 before going into the logic gate in Figure 1, what will be the value of the output Z? 

A0111
B1011
C1101
D1110
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Question 50
waec 2024

Use the devices in Figures 1 and 2 to answer the questions given that the input variables X and Y have values of 0011 and 0101 respectively as shown in Table 1.

 

 X  Y

 0

 0

 1

 1

 0

 1

 0

 1

Compute the value of the output Z in Figure 1 using the values of X and Y given. 

A0001
B0110
C0111
D1000
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Question 51
waec 2024

Which of the following logic devices is considered as equivalent gate? 

AAND
BEX-NOR
CEXOR
DNOR
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Question 52
waec 2024

The computer's short-term memory is the 

Aarithmetic logic unit.
Barithmetic operator.
Ccontrol unit.
Drandom access memory.
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Question 53
waec 2024

In using the slide rule, multiplication that goes off the scale can be corrected by the following approaches except 

Aresetting the slide.
Busing circular slide rule.
Cusing flat scales.
Dusing folded scales.
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Question 54
waec 2024

Addition and subtraction of numbers in Abacus are done using

Abars.
Bbeads.
Cframe.
Dstring.
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Question 55
waec 2024

Instructions were written to the first generation computers using 

Aassemblers.
Blow level language.
Cmachine language.
Dmnemonics
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Question 56
waec 2024

Which of the following statements is true about data? 

AInformation is a product of data while knowledge is a product of information
BData produces knowledge while knowledge produces information
CData is a product of information while knowledge is a product of data
DKnowledge produces information while in- formation produces data
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Question 57
waec 2024

The microprocessor that controls a washing machine is known as

Abot.
Bconsole.
Cembedded computer.
Dmainframe computer.
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Question 58
waec 2024

Which of the following features of information is not important for meaningful decision? 

AAccuracy
BCompetitiveness
CCompleteness
DTimeliness
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Question 59
waec 2024

An automatic system is one that

Ais operated using sophisticated skills.
Bneeds fuel before it can. be operated by humans.
Cperforms different kinds of tasks diligently.
Drequires little or no human intervention to work.
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Question 60
jamb 2024

What does the '%' operator represent in programming languages?


 

AAssignment
BModulus
CConcatenation
DExponentiation
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