Q31. What is the function of a system update?
a) To add new features to hardware
b) To remove obsolete software
c) To fix security vulnerabilities and improve functionality
d) To clean temporary files
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Correct Answer: c) To fix security vulnerabilities and improve functionality
Explanation: System updates often include security patches, bug fixes, and improvements that enhance the system’s stability and security.
Q32. Which software tool helps to clean up the Windows registry?
a) Disk Cleanup
b) CCleaner
c) MyDefrag
d) Spinrite
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Correct Answer: b) CCleaner
Explanation: CCleaner includes a registry cleaner that helps remove invalid entries and optimize the Windows registry.
Q33. What is the purpose of using a UPS (Uninterruptible Power Supply)?
a) To increase internet speed
b) To provide backup power during outages and protect against surges
c) To defragment the hard drive
d) To clean system files
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Correct Answer: b) To provide backup power during outages and protect against surges
Explanation: A UPS provides backup power in case of outages and protects the computer from power surges, preventing data loss and hardware damage.
Q34. How often should antivirus scans be scheduled?
a) Once a year
b) Once a month
c) Weekly or daily, depending on usage
d) Only when installing new software
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Correct Answer: c) Weekly or daily, depending on usage
Explanation: Regular antivirus scans are essential to detect and remove malware. Scheduling them weekly or daily helps maintain system security.
Q35. Which tool can be used to defragment and optimize drives in Windows?
a) CCleaner
b) Disk Cleanup
c) Disk Defragmenter
d) MyDefrag
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Correct Answer: c) Disk Defragmenter
Explanation: Disk Defragmenter is a built-in Windows tool used to reorganize fragmented data on the hard drive and improve performance.
Q36. What is the most effective method to clean a computer’s CPU fan?
a) Use a can of compressed air
b) Wipe with a damp cloth
c) Use a vacuum cleaner
d) Remove the fan and clean with soap
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Correct Answer: a) Use a can of compressed air
Explanation: Compressed air is effective for removing dust and debris from a CPU fan without damaging its components.
Q37. Which of the following is a common method to secure sensitive documents on a computer?
a) Encrypt the files
b) Store files in a public folder
c) Disable the firewall
d) Share documents with others
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Correct Answer: a) Encrypt the files
Explanation: Encrypting sensitive documents protects them from unauthorized access by converting the data into a secure format.
Q38. What should you do if a software application cannot be uninstalled through the standard method?
a) Use a third-party uninstaller
b) Reinstall the operating system
c) Clean the computer’s registry
d) Update the application
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Correct Answer: a) Use a third-party uninstaller
Explanation: A third-party uninstaller can help remove stubborn applications that do not uninstall properly through the standard method.
Q39. What is the recommended tool for performing a comprehensive disk check and repair?
a) Disk Cleanup
b) Disk Defragmenter
c) Spinrite
d) CCleaner
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Correct Answer: c) Spinrite
Explanation: Spinrite is a comprehensive tool for checking and repairing hard disk errors, recovering data, and addressing disk health issues.
Q40. Which of the following actions helps to improve the physical cleanliness of a computer?
a) Use a soft, damp cloth for external components
b) Use a strong cleaning solvent on all parts
c) Soak the components in water
d) Use a metal brush for cleaning
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Correct Answer: a) Use a soft, damp cloth for external components
Explanation: Using a soft, damp cloth helps clean external components safely without causing damage, unlike harsher methods.