Demo: Process Life Cycle
Duration: 9 min
This video lesson is available to enrolled students.
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- 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
- CS | 02 | Computer Organization and Architecture: Basics of COA, Cache Memory Organization, Input Output Organisation, Pipelining, Instr Formats & Modes, Control Unit Design, Multiprocessors
- 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
- CS | 04 | Problem Solving through C Programming: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
- CS | 05 | Object Oriented Techniques: Object Oriented Technology, Java
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- CS | 13 | Computer Graphics: Basics of Computer Graphics, 2-D Geometrical Transforms and Viewing, 3-D Object Representation, Geometric Transformations and Viewing
- GS Paper | 01 | Indian and World Geography: Geography
- GS Paper | 02 | History: History
- GS Paper | 03 | Indian Economy & Social Development: Indian Economy
- GS Paper | 04 | General Science: Biology, Chemistry, Physics
- 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
- GS Paper | 06 | Indian Polity and Governance: Polity
- GS Paper | 07 | Current Events: GK- Current Affairs
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AI summary & chapters
AI Summary
An AI-generated summary of this video lecture.
This lecture introduces the process life cycle in operating systems, beginning with a conceptual analogy to human development before detailing specific computational states. The instructor establishes five fundamental process states: New, Running, Waiting (Blocked), Ready, and Terminated. Visual aids include a process state transition diagram illustrating how processes move between these states via events like admission, interrupts, and I/O completion. The lesson progresses from a basic five-state model to an extended seven-state model incorporating suspension, emphasizing the dynamic nature of process management and scheduling.
Chapters
0:00 – 2:00 00:00-02:00
The video opens with a slide titled 'The Human Life Cycle' showing illustrations of a baby, child, teenager, adult, and elderly person to establish an analogy for process states. The instructor transitions to the core topic 'Process States', listing five specific definitions on screen: New (process being created), Running (instructions executing), Waiting (waiting for an event), Ready (waiting for processor assignment), and Terminated (finished execution). The instructor then introduces the process state transition diagram, highlighting the 'new' state as transient by shading or crossing it out. Visual cues indicate transitions between ready, running, and waiting states based on events like admission and interrupts.
2:00 – 5:00 02:00-05:00
The instructor focuses on the mechanics of state transitions within the process diagram. He points specifically to the 'ready' state and traces the path from 'new' to 'ready' via an 'admitted' transition. The explanation covers the flow from creation to execution readiness, using hand gestures to trace arrows on the diagram. Key events driving these transitions include scheduler dispatch moving a process from ready to running, and interrupts or I/O completion causing returns to the ready state or movement into the waiting state. The instructor emphasizes the 'scheduler dispatch' action as a critical trigger for execution.
5:00 – 8:36 05:00-08:36
The lecture advances from the basic five-state model to an extended seven-state model that includes suspension. The instructor points at the 'admitted' transition in the initial diagram before introducing more complex states involving suspend and resume operations. The lesson details how processes move between ready, running, waiting, and terminated states through various triggers like I/O requests or scheduling decisions. The instructor compares the simple versus complex process models, highlighting how suspension adds layers to the lifecycle management by pausing processes in memory or disk.
The lecture systematically builds an understanding of process management by first grounding the concept in a familiar human life cycle analogy. It defines five core states—New, Running, Waiting, Ready, and Terminated—and illustrates their interconnections through a transition diagram. The instructor uses visual emphasis techniques like shading and pointing to clarify transient states and critical transitions such as 'admitted' and 'scheduler dispatch'. The progression from a basic five-state model to an extended seven-state model with suspension demonstrates the increasing complexity of process management in operating systems. Key takeaways include the role of events like interrupts and I/O completion in driving state changes, and the distinction between processes waiting for CPU time versus those waiting for I/O events.