Galvin Edition 9 Exercise 3 Question 8 (Page No. 151)

Question

Describe the differences among short-term, medium-term, and long term scheduling.

Answer 1

Long Term Scheduler: 

• It selects processes from the queue and loads them into memory (ready state) for execution. 

• it also control the degree of multiprogramming.

Short Term Scheduler :

• It is also called as CPU scheduler. 

• it loads the process ready state to running state of the process.

Medium Term Scheduler:

• Medium-term scheduling is a part of swapping. It removes the processes from the memory.

• It reduces the degree of multiprogramming.