Q11. Which of the following steps should be taken to secure documents on a computer?
a) Use strong passwords and encryption
b) Store documents in a public folder
c) Disable antivirus software
d) Share documents with others
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Correct Answer: a) Use strong passwords and encryption
Explanation: Securing documents with strong passwords and encryption helps protect sensitive information from unauthorized access and data breaches.
Q12. What is the main function of Spinrite?
a) To clean the hard drive
b) To defragment files
c) To recover lost or damaged data
d) To update software
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Correct Answer: c) To recover lost or damaged data
Explanation: Spinrite is a data recovery tool used to repair and recover lost or damaged data from hard drives and other storage devices.
Q13. What action should you take if a software program is causing system instability?
a) Restart the computer
b) Uninstall the software
c) Update the operating system
d) Clean the hard drive
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Correct Answer: b) Uninstall the software
Explanation: If a software program is causing instability, uninstalling it can resolve issues by removing potentially problematic code or conflicts.
Q14. What is the purpose of cleaning the CPU?
a) To improve network speed
b) To reduce overheating by removing dust and debris
c) To upgrade the CPU
d) To increase RAM capacity
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Correct Answer: b) To reduce overheating by removing dust and debris
Explanation: Cleaning the CPU helps prevent overheating by removing dust and debris that can block airflow and cause the system to overheat.
Q15. How often should routine maintenance tasks, such as disk cleanup and defragmentation, be performed?
a) Once a year
b) Once a month
c) Once a week
d) As needed based on system performance
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Correct Answer: d) As needed based on system performance
Explanation: Routine maintenance tasks should be performed as needed, based on the system’s performance and the amount of accumulated data or fragmentation.
Q16. What is one of the primary benefits of upgrading application software?
a) To improve system cooling
b) To add new features and fix bugs
c) To increase hard drive space
d) To change system settings
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Correct Answer: b) To add new features and fix bugs
Explanation: Upgrading application software often provides new features, fixes bugs, and improves compatibility with other system components.
Q17. What should you do before deleting unnecessary programs and files from your computer?
a) Create a backup of important data
b) Update the operating system
c) Run a virus scan
d) Defragment the hard drive
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Correct Answer: a) Create a backup of important data
Explanation: Creating a backup ensures that important data is not lost during the process of deleting unnecessary programs and files.
Q18. Which of the following is NOT a common PC maintenance task?
a) Updating antivirus software
b) Reinstalling operating system
c) Cleaning computer interior
d) Replacing printer ink cartridges
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Correct Answer: d) Replacing printer ink cartridges
Explanation: Replacing printer ink cartridges is not related to PC maintenance; it is related to printer maintenance.
Q19. What is a typical sign that a hard drive needs defragmentation?
a) System takes longer to start up
b) Computer screen flickers
c) Printer is not working
d) Mouse pointer is moving erratically
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Correct Answer: a) System takes longer to start up
Explanation: A slow startup can be a sign that the hard drive is fragmented, causing delays in accessing files and system performance.
Q20. When using antivirus software, what is the importance of regularly updating virus definitions?
a) To increase internet speed
b) To improve system graphics
c) To ensure protection against the latest threats
d) To install new hardware
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Correct Answer: c) To ensure protection against the latest threats
Explanation: Regular updates to virus definitions help antivirus software recognize and protect against the latest malware threats and vulnerabilities.