Schedulers MCQ Quiz in বাংলা - Objective Question with Answer for Schedulers - বিনামূল্যে ডাউনলোড করুন [PDF]

It is also known as medium term scheduling. The key idea behind a medium - term scheduler is that sometimes it can be advantageous to remove a process from memory (and from active contention for the CPU) and thus reduce the degree of multiprogramming. Later, the process can be reintroduced into memory, and its e x ecution can be continued where it left off. This scheme is called swapping. The process is swapped out, and is later swapped in, by the medium - term scheduler.

The long-term scheduler, or job scheduler, selects processes from a mass-storage device and loads them into memory for execution.

The short-term scheduler, or CPU scheduler, selects from among the processes that are ready to execute and allocates the CPU to one of them.

The medium-term scheduler reduces degree of multiprogramming. Some processes are removed from memory to reduce multiprogramming. Later, the process can be reintroduced into memory, and its execution can be continued where it left off. This scheme is called swapping.