Please enable JavaScript.
Coggle requires JavaScript to display documents.
TYPE OF SCHEDULING - Coggle Diagram
TYPE OF SCHEDULING
LONG TERM
The decision to add a new processes to the set of processes that are currently active
Performed when a new process is created
LONG TERM SCHEDULER
Triggered when a new process is created
Determines which programs are admitted to the system for processing
Controls the degree of multiprograming
MEDIUM TERM
Part of swapping function
Weather to add a process to this that are at least partially/ fully in main memory
Available for execution
SHORT TERM
The decision as to which available process will be executed by the processor
READY process will select to be executed next
SHORT TERM SCHEDULER
Known as dispatcher
Executes most frequently
Makes the fine-grained decision of which process to execute next
Invoked when an event occurs that may;
Lead to the blocking of the current process
Provide an opportunity to preemtd a currently running process
Example;
Clock interrupts
I/O interrupts
Operating system calls