As an Amazon Associate I earn from qualifying purchases.

Critical Section Notes: Definitions & Explanations PDF Download

Download Critical Section Notes App (Play Store) Download Critical Section Notes App (App Store)

Study Critical Section lecture notes PDF with operating system definitions and explanation to study What is Critical Section?. Study critical section explanation with operating system terms to review operating system course for online degree programs.

Critical Section Definition:

  • In an asynchronous procedure of a computer program, a part that cannot be executed simultaneously with an associated critical section of another procedure.

    Operating Systems by William Stallings



Critical Section Notes:

Critical section is the part of a program which tries to access shared resources. The critical section cannot be executed by more than one process at the same time. Operating system usually faces difficulties in allowing and disallowing the processes from entering the critical section.

Keep Learning with Operating System Notes

What is Memory Partitioning?

Memory partitioning is done in two ways i.e. fixed partitioning and variable partitioning. In fixed partitioning, the degree of multiprogramming ...

What is Direct Access?

Direct access is the ability to obtain data from a storage device by going directly to where it is physically ...

What is Indexed Sequential File?

Indexed Sequential File is a computer file that contains index. The difference in this file and the indexed file is ...

What is Reusable Resource?

A reusable resource is a resource that is not rendered useless by being used. For instance, a magnetic disk such ...

What is Stack?

Stack is a special region in a computer's memory that stores temporary variables created by each function. The stack is ...

What is Preemption?

Preemption is the act of temporarily interrupting a task being executed by a computer system, without requiring its cooperation, and ...