Memory Management
Memory the executives alludes to the board of Primary Memory or Main Memory. Fundamental memory is a huge exhibit of words or bytes where each word or byte has its own location.
Fundamental memory gives a quick stockpiling that can be gotten to straight by the CPU. For a program to be executed, it should in the fundamental memory. An Operating System does the accompanying exercises for memory the executives −
Keeps tracks of essential memory, i.e., which piece of it are being used by whom, which part are not being used.
In multiprogramming, the OS chooses which interaction will get memory when and how much.
Dispenses the memory when a cycle demands it to do as such.
De-dispenses the memory when a cycle presently don't needs it or has been ended.
Processor Management
In multiprogramming environment, the OS decides which process gets the processor when and for how much time. This function is called process scheduling. An Operating System does the following activities for processor management −
Keeps tracks of processor and status of process. The program responsible for this task is known as traffic controller.
Allocates the processor (CPU) to a process.
De-allocates processor when a process is no longer required.
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