Various States of a Process, Chapter 1- Operating System

Computer Science SLO Based Key Point Notes

👉👉👉Computer Science 12th Class Notes (Main Page)

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Unit 1: OPERATING SYSTEM

1.3.2 Various States of a Process

• There are five states of a process which are shown in the figure:

1. NEW state:

This is the first state of a process when it is created.

2. READY state:

• A process is said to be in a ready state when it is ready for execution but waiting to be assigned to the CPU by OS.

3. RUNNING state:

A process is said to be in a running state when it is being executed by the processor.

4. BLOCKED state:

• A process is in the blocked or waiting state when it is not under execution and waiting for a resource to become available.

5. TERMINATED state:

• A process is in the terminated state when it completes its execution.

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1.1.1 Introduction to Operating System:
1.1.2 Commonly Used Operating Systems
1.1.3 Types of Operating Systems
1.1.4 Single User and Multiuser Operating Systems
1.2: Operating System Functions
1.3.1 Process Definition:
1.3.2 Various States of a Process
1.3.3 Thread and Process
1.3.4 Multithreading:
1.3.5 Multitasking:
1.3.4 Multithreading:

Chapter 1 (Complete Key Point Notes)

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👉👉👉Computer Science 12th Class Notes (Main Page)

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(National Book Foundation - As Federal Textbook Board, Islamabad 

Based on National Curriculum Pakistan 2026-2027 and Onward prescribed by Federal Board of Intermediate and Secondary Education, Islamabad, and All Pakistan Boards) 

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