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Describe three roles of operating system
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An operating system has three main functions: (1) manage the computer's resources, such as the central processing unit, memory, disk drives, and printers, (2) establish a user interface, and (3) execute and provide services for applications software.
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Hii mate !
An operating system is an interface between a computer user and computer hardware.
An operating system is a software which performs all the basic task like file managment , memory management, process management , handling input and output etc.
Hope this helps !
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