As an Amazon Associate I earn from qualifying purchases.

Preemption Notes: Definitions & Explanations PDF Download

Study Preemption lecture notes PDF with operating system definitions and explanation to study “What is Preemption?”. Study preemption explanation with operating system terms to review operating system course for online degree programs.

Preemption Definition:

  • Reclaiming a resource from a process before the process has finished using it.

    Operating Systems by William Stallings



Preemption Notes:

Preemption is the act of temporarily interrupting a task being executed by a computer system, without requiring its cooperation, and with the intention of resuming the task at a later time. Such changes of the executed task are known as context switches.

Keep Learning with Operating System Notes

What is Resident Set?

Resident set is that portion of the process image that is actually in real-memory at a particular time. It has ...

What is Deadlock Prevention?

Deadlock Prevention is done by constraining how requests for resources can be made in the system and how they are ...

What is Nonuniform Memory Access Multiprocessor?

NUMA or Nonuniform Memory Access is a method of configuring a cluster of microprocessor in a multiprocessing system so that ...

What is Virtual Memory?

Virtual memory is a memory management technique that uses both, hardware and software, to allow a computer to compensate for ...

What is Program Status Word?

The Program Status Word (PSW) is a collection of data which is 64 bits long. It keeps track of the ...

What is Trap?

A trap is also known as an exception or a fault. It is typically a type of synchronous interrupt caused ...