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Degree of Multiprogramming

Degree of Multi programming:

The number of processes present in the main memory at any point of time is called degree of programming.

Processes in
Here: Degree of multi-programming is 4

Here number of processes are 4, in main memory.
Degree of multi programming is 4.

This is maintain by Long term scheduler, because we know that in ready state jobs of maintained in main memory.

So degree of multi programming is controlled by Long term scheduler.

The Long term scheduler should select the good combination of CPU Bound and Input Output Bound processes in order to get good throughput.

If more CPU Bound processes
  1. CPU utilization increases
  2. Throughput decreases

So its responsibility of Long term scheduler to bring good combination of CPU BOund and Input Output Bound processes.