Question

Explain the memory management activities done by os?

Answer 1

1. Keeping track of which portion of memory are currently being used and who is using them.

2. Determining which processes and data to more in and out of memory.

3. Allocation and de – allocation of memory blocks as needed by the program in main memory. (Garbage collection).

Answer 2

Memory management is the functionality of an operating system which handles or manages primary memory and moves processes back and forth between main memory and disk during execution. Memory management keeps track of each and every memory location, regardless of either it is allocated to some process or it is free. It checks how much memory is to be allocated to processes. It decides which process will get memory at what time. It tracks whenever some memory gets freed or unallocated and correspondingly it updates the status.