3.3.1. Parts of the Scheduler

The main functional components of the scheduler are:

1. Enqueuer

   It adds a pointer or reference to the process’ Process Control Block (PCB) as per the desired data structure of the ready queue, which is usually a collection of linked lists.

2. Dispatcher

   The part that implements the scheduling algorithm to pick the next process to run.

3. Context Switcher

   Loads the selected process onto the CPU as the running process.