Q91. What is the primary function of a registry cleaner tool?
a) To remove unnecessary files from the hard drive
b) To optimize file access speed
c) To scan for and fix invalid or corrupted registry entries
d) To update system drivers
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Correct Answer: c) To scan for and fix invalid or corrupted registry entries
Explanation: Registry cleaners help maintain system stability by fixing or removing invalid or corrupted entries from the Windows registry.
Q92. What should you do if a newly installed software causes system instability?
a) Uninstall the software and check system stability
b) Upgrade the operating system
c) Increase the CPU speed
d) Add more RAM
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Correct Answer: a) Uninstall the software and check system stability
Explanation: Uninstalling problematic software helps determine if it is the cause of system instability and resolves related issues.
Q93. What does enabling automatic updates do?
a) Installs the latest features and updates automatically
b) Cleans up temporary files
c) Monitors system performance
d) Upgrades hardware components
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Correct Answer: a) Installs the latest features and updates automatically
Explanation: Automatic updates ensure that the system receives the latest features, security patches, and improvements without manual intervention.
Q94. How can you enhance the physical cooling of a computer?
a) Ensure proper ventilation and clean cooling fans regularly
b) Increase the CPU clock speed
c) Install additional software
d) Disconnect external peripherals
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Correct Answer: a) Ensure proper ventilation and clean cooling fans regularly
Explanation: Proper ventilation and regular cleaning of cooling fans help maintain effective cooling and prevent overheating.
Q95. What is the advantage of encrypting sensitive files?
a) It protects files from unauthorized access by making them unreadable without proper decryption
b) It speeds up file access
c) It cleans up the file system
d) It reduces file size
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Correct Answer: a) It protects files from unauthorized access by making them unreadable without proper decryption
Explanation: Encryption secures files by converting them into an unreadable format that can only be accessed with the correct decryption key.
Q96. Which of the following tools helps in repairing corrupted files on a hard drive?
a) Disk Cleanup
b) Disk Defragmenter
c) Spinrite
d) Task Manager
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Correct Answer: c) Spinrite
Explanation: Spinrite is used for repairing corrupted files and addressing issues on hard drives, including recovering data from damaged sectors.
Q97. What is the recommended practice for handling a computer with slow startup times?
a) Disable unnecessary startup programs
b) Increase the screen resolution
c) Install additional software
d) Reinstall the operating system
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Correct Answer: a) Disable unnecessary startup programs
Explanation: Disabling unnecessary startup programs can reduce startup time and improve overall system performance by reducing the load on system resources.
Q98. How can you check for hardware compatibility issues before installing new software?
a) Consult the software’s system requirements and compatibility list
b) Increase the computer’s RAM
c) Run a disk cleanup
d) Install a different operating system
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Correct Answer: a) Consult the software’s system requirements and compatibility list
Explanation: Checking the software’s system requirements and compatibility ensures that the hardware meets the necessary specifications for proper software installation and operation.
Q99. What action should be taken if a computer frequently crashes during high-demand tasks?
a) Check for overheating and ensure proper cooling
b) Increase the screen resolution
c) Upgrade to a larger hard drive
d) Clean the computer’s exterior
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Correct Answer: a) Check for overheating and ensure proper cooling
Explanation: Overheating can cause frequent crashes during high-demand tasks. Ensuring proper cooling and ventilation can help prevent this issue.
Q100. What is the role of a system restore point in troubleshooting?
a) It allows you to revert the system to a previous state if recent changes cause issues
b) It provides a backup for user files
c) It defrags the hard drive
d) It updates the operating system
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Correct Answer: a) It allows you to revert the system to a previous state if recent changes cause issues
Explanation: System restore points provide a way to undo recent changes that may have caused system problems, helping to restore stability without affecting personal files.