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Online Tests
Computer Science 9th Class English Medium Online Test MCQs With Answers
Question # 1
Which of the following is a example of preventive maintenance for a computer system.
Choose an answer
Replacing a faulty hard drive
Removing malware after infection
Restarting the sytem when it freezes
Applying software updaes regularly
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Question # 2
Which step involves coming up with a theory about what might be causing a problem?
Choose an answer
Test the theory to Determine the cause
Establish a theory of probable cause
Implement the solution
Verify full system functinality
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Question # 3
What role does the Operating system (OS) play in a computer?
Choose an answer
It performs calculations and executes instructions
It temporarily stores data and instructions for the CPU
It receives imput from interface components and decides what to do with it.
It provides long-term storage of data and software
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Question # 4
CPU Stand for?
Choose an answer
Central Processing Unit
Central Processing Unity
Central Processing United
None of these
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Question # 5
Which logic gate outputs true only if both inputs are true?
Choose an answer
OR gate
AND gate
XOR gate
NOT gat
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Question # 6
Which of the following is an example of a Natural system.
Choose an answer
Banking System
Human Circulatory system
Transporation System
Computer System
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Question # 7
Which of the following is NOT a bacuup storeage option?
Choose an answer
Local disk
Word processor
Cloud storage
Extenal hard drive
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Question # 8
Which sysems involve the mind and behavior?
Choose an answer
Artificial
Chemical
Psychological
Biological
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Question # 9
Why is troubleshooting important in computing systems?
Choose an answer
It ensures hardware compoents are alsyws up to data
It prevents the need for data backups
It eliminates the need for software updates
It helps keep systems runnign smoothly and securely
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Question # 10
Which of the following is an example of ensuring data integity through troubleshooting.
Choose an answer
Updating the operating system regularly
Identifyng a softwre bug that causes incorrect database results.
Using a ooling apad to prevent laptop overheating
Updating the operating system regularly
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Question # 11
Hexadecimal system has total...............numbers.
Choose an answer
15
16
17
18
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Question # 12
Comparison of two or more values are performed in?
Choose an answer
CU
UDP
LU
None of these
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Question # 13
Number"17" is equal to.........in binary system
Choose an answer
10000
10001
10110
10100
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