Functions of an Operating System:
.Control data and its access by processes
.Provide for efficient device access
.Manage resources
.Control user access to the machine
.Provide for efficient device access
.Perhaps 3 jobs are sent to the printer... the OS decides the order in which the jobs will be printed.
.The OS also manages information as it arrives as input.
.Manage resources
.Multi-tasking system, many processes can be run “at the same time”.
.OS decides priority of access, how many users, etc.
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