COMPUTER SCIENCE AND ENGINEERING
OPERATING SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The OS can hire backup
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User accounts may be password protected
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Files can self destruct after a set time
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None of the above
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Detailed explanation-1: -OS provides antivirus protection against malicious attacks and has inbuilt firewall which acts as a filter to check the type of traffic entering into the system.
Detailed explanation-2: -The safety of their system resources such as saved data, disks, memory, etc. is secured by the security systems against harmful modifications, unauthorized access, and inconsistency. It provides a mechanism (encryption and authentication) to analyze the user before allowing access to the system.
Detailed explanation-3: -The OS shares resources between users, depending on what type of resources the users need. The OS must ensure that the system stays well-balanced in resources to meet each user’s needs and not affect other users who are connected. Some examples of a multi-user OS are Unix, Ubuntu, MacOS, Windows and all Linux based OS.