INTERVIEW | TECHNICAL INTERVIEWS | OPERATING SYSTEM | OPERATING SYSTEM INTERVIEW QUESTION AND ANSWERS | 08 WHAT IS A LONG TERM SCHEDULER AND SHORT TERM SCHEDULERS | WHAT IS STARVATION

What is a long term scheduler & short term schedulers - What is starvation

 Operating System Interview Question and Answers:

36. What is a long term scheduler & short term schedulers?

                Long term schedulers are the job schedulers that select processes from the job queue and load them into memory for execution.

The Short term schedulers are the CPU schedulers that select a process form the ready queue and allocate the CPU to one of them.

37. What are the different types of Real-Time Scheduling?
      Hard real-time systems required to complete a critical task within a guaranteed amount of time.
Soft real-time computing requires that critical processes receive priority over less fortunate ones.

38. What is fragmentation?

                Fragmentation occurs in a dynamic memory allocation system when many of the free blocks are too small to satisfy any request.

40. What is a device queue?

                A list of processes waiting for a particular I/O device is called device queue.

41. What is starvation ?

                Starvation is a resourcemanagement problem where a process does not get the resources it needs for a long time because the resources are being allocated to other processes.