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Computer Science 9th Class English Medium Online Test MCQs With Answers
Question # 1
Which types of eero occurs whe a progrm tries to access an area of memory it is not allowe to?
Choose an answer
I/O Error
Stack Overflow
Runtime Error
Segmentation Fault
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Question # 2
In Binary Os represents......?
Choose an answer
ON
OFF
OF
None of these
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Question # 3
Which of the following numbers is a valid biary number
Choose an answer
1101102
1101 A
110.11
11011
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Question # 4
Which of the following is NOT an example of an artificial system?
Choose an answer
Solar system
Traffic control system
Automated billing system
Railway reservation system
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Question # 5
Which method of backup allows you to restore the sytem to a specific point in time.
Choose an answer
Cloud sync
Full backup
System restore point
Incremenatl backup
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Question # 6
If an application is unresponsive whihc key combination is used to force-close it on Windows?
Choose an answer
Ctrl+Alt+Tab
Alt+F4
Ctrl+Shift+Del
Shift+ESc
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Question # 7
Which of the following ensures data consistency in a software system?
Choose an answer
Fault tolerance
Scalability
Modular design
Transaction management
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Question # 8
Brian of computer is...........?
Choose an answer
RAM
UDP
CPU
RAM
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Question # 9
Which software is used to enhance system performance and security?
Choose an answer
Operating system
Device drivers
Utility software
Application software
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Question # 10
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 # 11
BIT Stand for?
Choose an answer
Binary Digit
Binary Integer
Binary Terms
Binary Value
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Question # 12
Which type of backup creates a complete copy of all data, regardieess of previous backups?
Choose an answer
Differnetial Backup
Incremental backup
Full backup
Snapshot Backup
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Question # 13
Which of the following is the best practie for data backup frequency?
Choose an answer
Once a year
After every system update
Regular and scheduled backups
Only after system crash
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