Q41. What is the purpose of a system restore point?
a) To create a backup of user files
b) To return the system to a previous state in case of issues
c) To defragment the hard drive
d) To clean system files
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Correct Answer: b) To return the system to a previous state in case of issues
Explanation: A system restore point allows users to revert the system to a previous state, which can help recover from issues caused by software or system changes.
Q42. What should be done if a computer is running slowly after installing new software?
a) Uninstall the software and check performance
b) Upgrade the CPU
c) Increase the screen resolution
d) Clean the hard drive
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Correct Answer: a) Uninstall the software and check performance
Explanation: If performance issues arise after installing new software, uninstalling it can help determine if the software was causing the problem.
Q43. Which tool would you use to monitor and manage system performance?
a) Disk Cleanup
b) Task Manager
c) CCleaner
d) Spinrite
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Correct Answer: b) Task Manager
Explanation: Task Manager provides detailed information about system performance, including CPU usage, memory usage, and running processes.
Q44. What is the primary reason for keeping operating system and application software up-to-date?
a) To increase storage capacity
b) To fix security vulnerabilities and improve functionality
c) To clean up the registry
d) To enhance graphics performance
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Correct Answer: b) To fix security vulnerabilities and improve functionality
Explanation: Updates for operating systems and applications often address security vulnerabilities and enhance functionality, ensuring better protection and performance.
Q45. How can you prevent dust buildup inside a computer?
a) Regularly clean the interior and use dust filters
b) Place the computer in a humid environment
c) Keep the computer turned off
d) Install additional software
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Correct Answer: a) Regularly clean the interior and use dust filters
Explanation: Regular cleaning and using dust filters help prevent dust buildup inside the computer, which can affect performance and cooling.
Q46. Which of the following tasks is NOT typically part of PC maintenance?
a) Updating antivirus software
b) Performing system backups
c) Replacing the printer ink cartridges
d) Running disk defragmentation
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Correct Answer: c) Replacing the printer ink cartridges
Explanation: Replacing printer ink cartridges is related to printer maintenance, not PC maintenance.
Q47. What is the primary benefit of running a disk defragmentation tool?
a) To clean the registry
b) To optimize file access times and improve system performance
c) To remove viruses
d) To upgrade the operating system
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Correct Answer: b) To optimize file access times and improve system performance
Explanation: Disk defragmentation optimizes file storage on the hard drive, leading to faster access times and better system performance.
Q48. What is the best way to protect a computer from power surges?
a) Use a surge protector
b) Keep the computer unplugged
c) Use a software firewall
d) Install additional RAM
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Correct Answer: a) Use a surge protector
Explanation: A surge protector helps safeguard the computer from electrical surges and spikes that could damage hardware components.
Q49. Which of the following actions is recommended for improving system security?
a) Install and regularly update antivirus software
b) Share passwords with others
c) Disable software firewalls
d) Open email attachments from unknown sources
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Correct Answer: a) Install and regularly update antivirus software
Explanation: Regularly updating antivirus software helps protect the system from new threats and maintain overall security.
Q50. What should you do if you suspect that a file on your computer is infected with malware?
a) Run a full system scan with antivirus software
b) Delete the file immediately
c) Open the file to check for issues
d) Restart the computer
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Correct Answer: a) Run a full system scan with antivirus software
Explanation: Running a full system scan with antivirus software helps identify and remove any malware that may be present in the file or system.