Process State Diagram

Duration: 6 min

This video lesson is available to enrolled students.

Return to /learn/UP-LT-GRADE-ASSISTANT-TEACHER-2025/cs-06-operating-system/process-management/process-state-lifecycle/asset-process-state-diagram after enrolling

Inside: a video lesson and guided study material.

Module outline

  1. About Course: About the Course
  2. CS | 01 | Digital Logic and Circuits and Discrete Mathematical Structures: Digital Systems & Boolean Basics, Number System, Number Representation, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Set Theory, Relations, Functions, Graph Theory, Group Theory, Propositional and Predicate Logic, Permutation and Combination
  3. CS | 02 | Computer Organization and Architecture: Basics of COA, Cache Memory Organization, Input Output Organisation, Pipelining, Instr Formats & Modes, Control Unit Design, Multiprocessors
  4. CS | 03 | Data Structures and Algorithm: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos, Complexity Theory, Advanced Algorithms
  5. CS | 04 | Problem Solving through C Programming: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
  6. CS | 05 | Object Oriented Techniques: Object Oriented Technology, Java
  7. CS | 06 | Operating System: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, Disc Scheduling, File Management, Windows OS, Unix OS
  8. CS | 07 | Database Management Systems: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, Relational Algebra, SQL, Relational Calculus, Transaction Management, Concurrency Control, Database Recovery, Database Security & Authorization, Query Processing & Optimization, File Organization & Indexing
  9. CS | 08 | Computer Networks: Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow Control, DLL: Error Control, DLL: Framing, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Net Layer:Routing Protocol, Transport Layer Services, TL: Congestion & UDP, Application Layer, Hardware basics
  10. CS | 09 | Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  11. CS | 10 | Internet Technology, Web Design and Web Technology: Internet Fundamentals, Web Design & Development, Protocols & Services, Web Publishing & Hosting, Server Side & Security, Emerging Technologies, JavaScript-Basics, HTML Basics
  12. CS | 11 | System Analysis And Design: Fundamentals of Systems and Information Systems, SDLC and Development Approaches, Software Documentation and Software Requirements Specification (SRS), SDD and Quality Assurance, Security, Risk Management & Maintenance
  13. CS | 12 | Information Security and Cyber Laws: Cyber Threats and Malware Attacks, Role of Internet and Web Services, Security in Mobile and Wireless Computing, Electronic Data Interchange and E-Commerce, Physical Security and Cryptography Basics, Intrusion Detection Systems (IDS), Cyber Safety and Security
  14. CS | 13 | Computer Graphics: Basics of Computer Graphics, 2-D Geometrical Transforms and Viewing, 3-D Object Representation, Geometric Transformations and Viewing
  15. GS Paper | 01 | Indian and World Geography: Geography
  16. GS Paper | 02 | History: History
  17. GS Paper | 03 | Indian Economy & Social Development: Indian Economy
  18. GS Paper | 04 | General Science: Biology, Chemistry, Physics
  19. GS Paper | 05 | Elementary Maths: Number System, Divisibility Rules, HCF LCM, Percentage, Profit and Loss, Simple Interest and Compound Interest, Ratio and Proportion (Ratios), Average, Time and Work, Speed Time and Distance, Algebra, Mensuration and Geometry, Data Interpretation, Arithmetic, Statistics, Probability, Sequence and Series (Series), Mixture and Alligation, Calculus, Trigonometry, Vectors
  20. GS Paper | 06 | Indian Polity and Governance: Polity
  21. GS Paper | 07 | Current Events: GK- Current Affairs
  22. UPLT Live Classes Notes: UPLT Live Classes
  23. UPLT Full Mock Tests Tier 1:
  24. UPLT Full Mock Tests Tier 2:
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This educational video provides a comprehensive lecture on the Process State Diagram within the context of Operating Systems. The instructor systematically explains the lifecycle of a process, starting from the New state and progressing through Ready, Run, and Wait/Block states. A significant portion of the lecture is dedicated to explaining the Suspend states (Suspend Ready and Suspend Wait) and the concept of swapping processes out of main memory to secondary memory. The instructor uses a digital whiteboard to draw and annotate the state diagram, highlighting specific transitions like Schedule / Dispatch, I/O Request, and Resume. He also draws a supplementary diagram to visualize the interaction between the CPU, Main Memory (MM), and Secondary Memory (SM) during suspension, clarifying how processes are moved between memory levels.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The lecture begins with the fundamental states. The instructor points to the New state and the arrow labeled Schedule / Dispatch which moves a process to Ready. He then discusses the Run state, explaining that a process moves here from Ready via Schedule / Dispatch. He highlights the transition back to Ready caused by Priority / Time quantum or preemption, where the CPU time is exhausted. He also points out the I/O Request transition leading from Run to Wait / Block, indicating the process is waiting for an event like I/O completion. He emphasizes that while in Wait / Block, the process cannot run.

  2. 2:00 – 5:00 02:00-05:00

    The instructor introduces the concept of suspension to manage memory. He draws a diagram on the right side of the screen showing CPU, MM (Main Memory), and SM (Secondary Memory). He explains that to manage memory, processes in Ready or Wait/Block can be moved to Suspend Ready or Suspend Wait respectively. This is often called swapping out. He points to the Resume transitions that move processes back from Suspend Ready to Ready or from Suspend Wait to Wait / Block. He specifically notes the transition from Suspend Wait to Suspend Ready labeled I/O Completed but still in suspend, explaining that even if I/O is done, the process remains suspended until explicitly resumed.

  3. 5:00 – 5:41 05:00-05:41

    The lecture concludes with the final states. The instructor points to the Terminate state, which is reached from Run upon Completion. He summarizes the entire diagram, emphasizing the difference between a process waiting for I/O (blocking) and a process being moved to disk (suspending). He reinforces the idea that suspension is a mechanism to free up main memory resources for other processes. He gestures towards the Suspend Ready and Suspend Wait states to show they are distinct from the main memory states.

The video effectively breaks down the complex process state diagram into understandable segments. It starts with the basic lifecycle, moves to the critical concept of suspension and swapping, and concludes with the termination state. The visual aids, including the drawn CPU/MM/SM diagram, are crucial for understanding how memory management interacts with process states.

Loading lesson…