COMPUTER SCIENCE AND ENGINEERING
SYSTEM SOFTWARE
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 Question 
 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
 
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 Delete temporary files. 
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  File Compression Programs 
 
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  Backup and recovery utilities 
 
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  Clean Up Utilities 
 
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  Security programs 
 
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 Explanation: 
Detailed explanation-1: -Is it safe to delete temp files? Yes, it’s safe to delete temporary files from Windows. Most of the time, they’ll be deleted automatically-if they’re not, you can go in and delete them yourself without any worries.
Detailed explanation-2: -Windows Update Cleanup When you install updates from Windows Update, Windows keeps older versions of the system files around. This allows you to uninstall the updates later and troubleshoot update-related issues. These files are safe to delete in most cases.
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