Introduction to Distributed System

Duration: 5 min

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Module outline

  1. About the Course: About the Course
  2. Paper-1 & 2 | Basic Numeracy: Ratio and Proportion (Ratios), Divisibility Rules, Mixture and Alligation, Permutation and Combination, Logarithm, Number System, HCF LCM, Sequence and Series (Series), Speed Time and Distance, Percentage, Average, Mensuration and Geometry, Age Problems, Arithmetic, Statistics, Probability, Profit and Loss, Simple Interest and Compound Interest, Partnership, Speed Mathematics and Basic Mathematics, Algebra, Powers and Exponents (Surds and Indices), Time and Work, Pipe and Cistern, RSSB Specific Videos - Basic Numeracy
  3. Paper-1 & 2 | Data Interpretation: Data Interpretation
  4. Paper-1 & 2 | General Mental Ability: Mental Ability, RSSB Specific Videos - Mental Ability
  5. Paper-1 & 2 | Logical Reasoning and Analytical Ability: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Data Sufficiency, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Syllogisms, Seating Arrangements, Blood Relations, Directions (Direction Test), Analytical Reasoning (Counting Figures Reasoning), Puzzle Solving (Puzzles), Calendar, Clock, Cubes & Dices, Venn Diagram, Analogy, Ranking, Order and Sequence, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Data Arrangement, Logical Sequence Of Words, Crypt Arithmetic
  6. Paper-1 & 2 | Decision Making and Problem Solving: Selection Decision Table (Decision Making)
  7. Paper-1 | General Science: Physics, Biology, Chemistry, RSSB Specific Videos
  8. Paper-1 | General Awareness: State Wise GK, GK- Current Affairs
  9. Paper-2 | Fundamentals of Computer: Basics of COA, Number System, Floating Point Rep, Number Representation
  10. Paper - 2 | Digital Logic Systems: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits
  11. Paper-2 | Operating Systems: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Deadlock, Threads & Process Creation, Memory Management, Virtual Memory, Disc Scheduling, File Management, Linux OS, Distributed Systems
  12. Paper-2 | Database Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, Relational Algebra, SQL, Relational Calculus, File Organization & Indexing, Transaction Management, Concurrency Control
  13. Paper-2 | Data Structures: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing
  14. Paper-2 | C Programming: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
  15. Paper 2 | Oops, C++, Java: Language Design, OOPS with C++, Java, .Net Programming, Java Fundamentals
  16. Paper 2 | Python: Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules, File Handling & Data Analysis
  17. Paper 2 | Emerging Trends and AI: Emerging Tech Trends, Artificial Intelligence
  18. Paper-2 | Algorithms: Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Advanced Algorithms
  19. Paper 2 | Data Communication and Network Security: Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow Control, DLL: Error Control, 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, Network Security, Ethical Hacking
  20. Paper-2 I Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  21. Paper-2 | Computer Organization and Architecture: Cache Memory Organization, Input Output Organisation, Instr Formats & Modes, Control Unit Design, Register Transfer and Microoperations
  22. Paper-2 | Web Development: JavaScript-Basics, HTML Basics, CSS, XML
  23. Pedagogy: Child Development, Concept of Pedagogy, Psychology, Theories, Inclusive Education, Experiential Pedagogy, Curriculum Framework & Reforms, National Education Policy (NEP) 2020
  24. Live Sessions: RSSB Live Sessions
  25. RSSB Paper 1 - Full Mock Tests:
  26. RSSB Paper 2 - Full Mock Tests:
  27. SCI Previous Year Papers:
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

The video is a lecture on Chapter 14, 'Distributed Systems,' from a computer science course. The instructor begins by introducing the chapter's topics, which include types of network-based operating systems, network and communication structures, protocols, robustness, design issues, and distributed file systems. The lecture then transitions to a formal definition of a distributed system, stating it is a collection of loosely coupled processors interconnected by a communications network. The instructor explains that these processors are also referred to as nodes, computers, machines, or hosts, and that a 'site' is the location of a processor. A key concept introduced is the client-server model, where a server provides a resource and a client at a different site requests it. To illustrate this, the instructor draws a diagram showing a server at site A, a client at site B, and a network connecting them, with communication flowing from the client to the server to access resources.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video opens on a PDF document titled 'Chapter-14 Distributed Systems'. The instructor begins by outlining the topics for the chapter, which are listed on the page: Types of Network based Operating Systems, Network Structure, Communication Structure and Protocols, Robustness, Design Issues, and Distributed File Systems. The instructor then starts to write on the screen, adding handwritten notes such as 'Distributed System' and 'Types -> Multiprocessing' to the document, setting the stage for the lecture's content.

  2. 2:00 – 4:44 02:00-04:44

    The instructor continues the lecture by defining a distributed system as a collection of loosely coupled processors interconnected by a communications network. The on-screen text is highlighted to emphasize this definition. The instructor explains that processors are also called nodes, computers, machines, or hosts, and that a 'site' is the location of a processor. The lecture then introduces the client-server model, with the instructor writing 'client' and 'server' and drawing a diagram to illustrate the concept. The diagram shows a server at site A, a client at site B, and a network connecting them, with an arrow indicating communication from the client to the server to access resources. The instructor also writes 'work load -> dist' to suggest that workloads are distributed across the system.

The lecture provides a foundational overview of distributed systems. It begins by outlining the chapter's scope, covering key areas like network structures, protocols, and file systems. The core of the lesson is the formal definition of a distributed system as a network of loosely coupled processors. The instructor then builds on this by introducing the client-server model, using a diagram to visually explain how a client at one site can access a resource hosted by a server at another site, which is the fundamental mechanism for resource sharing in such systems.

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