Q1. What is the primary purpose of disk cleanup?
a) To defragment the hard drive
b) To remove unnecessary files and free up space
c) To update system drivers
d) To clean the monitor
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Correct Answer: b) To remove unnecessary files and free up space
Explanation: Disk cleanup helps remove temporary files, system files, and other unnecessary files to free up disk space and improve system performance.
Q2. Which tool is commonly used to remove redundant files and clean up system junk?
a) Disk Defragmenter
b) CCleaner
c) MyDefrag
d) Spinrite
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Correct Answer: b) CCleaner
Explanation: CCleaner is a popular tool for cleaning up redundant files, system junk, and improving system performance by removing temporary and unused files.
Q3. What is the function of the defragmentation process?
a) To remove malware from the system
b) To reorganize fragmented data on the hard drive
c) To update operating system
d) To install new hardware
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Correct Answer: b) To reorganize fragmented data on the hard drive
Explanation: Defragmentation reorganizes fragmented data on a hard drive, which can improve system performance by allowing faster access to files.
Q4. What should be checked first if a computer fails to start?
a) Check the power supply and cables
b) Reinstall the operating system
c) Update the software
d) Clean the monitor
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Correct Answer: a) Check the power supply and cables
Explanation: Ensuring that the power supply and cables are properly connected is a fundamental troubleshooting step if a computer does not start.
Q5. Which of the following actions is recommended for maintaining the cleanliness of a computer monitor?
a) Use a dry cloth
b) Use a wet cloth with alcohol
c) Use a vacuum cleaner
d) Use a soft, damp cloth designed for electronics
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Correct Answer: d) Use a soft, damp cloth designed for electronics
Explanation: A soft, damp cloth designed for electronics helps clean the monitor without causing damage, while avoiding liquids that can harm the screen.
Q6. What is the role of antivirus software in a computer system?
a) To manage file backups
b) To detect and remove malicious software
c) To upgrade the operating system
d) To optimize system performance
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Correct Answer: b) To detect and remove malicious software
Explanation: Antivirus software protects the system by detecting, removing, and preventing malware infections that can harm the computer.
Q7. What is a common sign that a computer might need a restart?
a) The mouse pointer is frozen
b) The monitor is turned off
c) The keyboard is not responding
d) The computer is overheating
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Correct Answer: a) The mouse pointer is frozen
Explanation: A frozen mouse pointer is often a sign of system issues that can be resolved by restarting the computer to reset temporary software problems.
Q8. When is it appropriate to start Windows in Safe Mode?
a) When installing a new application
b) When you need to perform a disk cleanup
c) When troubleshooting system problems or malware
d) When upgrading hardware
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Correct Answer: c) When troubleshooting system problems or malware
Explanation: Safe Mode allows Windows to start with minimal drivers and services, which helps in troubleshooting system problems and malware by isolating the issue.
Q9. Which of the following tools is used to perform disk defragmentation?
a) CCleaner
b) MyDefrag
c) Spinrite
d) Disk Cleanup
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Correct Answer: b) MyDefrag
Explanation: MyDefrag is a tool specifically designed for disk defragmentation, improving hard drive performance by reorganizing fragmented data.
Q10. What is the purpose of updating the operating system?
a) To install new hardware
b) To fix bugs and improve system security
c) To clean the hard drive
d) To uninstall outdated applications
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Correct Answer: b) To fix bugs and improve system security
Explanation: Operating system updates often include bug fixes, security patches, and new features that enhance system stability and protection against threats.