COMPUTER SOFTWARE
OPERATING SYSTEMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Provide a user interface
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Communicate with hardware
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Allow the computer to multi-task
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Improves CPU performance
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Detailed explanation-1: -The correct answer is Database management.
Detailed explanation-2: -Virus protection is the function of Firewall and Antivirus. Hence, it is not the function of an operating system. So, the correct answer is option (b).
Detailed explanation-3: -Answer: Optimising the CPU is done through the power option section of the computer panal in the windows operating system.
Detailed explanation-4: -Every resource and application requires a processor. Therefore, when multiple tasks are running on the system it is necessary to manage the CPU time and usage. Hence, the OS keeps track of the CPU and allocates and deallocates the CPU to devices and applications accordingly.
Detailed explanation-5: -Detailed Solution. Malware Protection is not the main function of the operating system. Malware is any software intentionally designed to cause damage to a computer, server, client, or computer network.