multiprocessing operating system

Duration: 4 min

This video lesson is available to enrolled students.

Return to /learn/SSC-JE-IMD-SCIENTIFIC-ASSISTANT-COMPUTER-SCIENCE/operating-system/introduction-to-os/os-types-evolution/asset-multiprocessing-operating-system after enrolling

Inside: a video lesson and guided study material.

Module outline

  1. General Intelligence & Reasoning: Analogy, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Blood Relations, Directions (Direction Test), Ranking, Order and Sequence, Logical Sequence Of Words, Syllogisms, Venn Diagram, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Selection Decision Table (Decision Making), Data Sufficiency, Puzzle Solving (Puzzles), Data Arrangement, Cubes & Dices, Calendar, Clock, Arithmetic, Number System, HCF LCM, Verbal Analogy (Word Based Analogy), Visual Recognition and Figure Completion, Paper Folding and Cutting, Transformation of Shapes, Clocks and Calendars, Direction Sense, Cubes and Dice, Patterns in Two-Dimensional Figures, Seating Arrangements, Analogy and Classification, Logical Deduction and Induction, Alphabet and Word Tests, Mathematical Operations, Series Completion, Simplification and Approximation, Coding and Decoding, Numerical Reasoning, Assembling and Grouping of Shapes, Three-Dimensional Patterns and Visualization, Vocabulary, Number System, Averages, Mixtures and Alligation, Simple and Compound Interest, Percentages, Algebra, Speed, Time and Distance, Seating and Arrangement Puzzles, Traverse Surveying, Order, Ranking and Sequence, Constraint Puzzles, Syllogisms and Venn Diagrams, Reading Comprehension, Critical Reasoning, Permutations and Combinations, Narrative Sequencing, Project Monitoring, Resources and Safety, Profit, Loss and Discount, Ratio and Proportion, Time and Work, Mensuration, Data Interpretation, Powers, Surds and Logarithms, Sequences and Series, Articles and Determiners, Sentence Completion, Data Sufficiency, Blood Relations, Simple Interest and Compound Interest, Mixture and Alligation, Sequence and Series (Series), Speed Time and Distance, Algebra, Profit and Loss, Powers and Exponents (Surds and Indices), Permutation and Combination
  2. General Awareness: Physics, Chemistry, Biology, History, Geography, Polity, Indian Economy, Environment, Static General Knowledge, GK- Current Affairs, Artificial Intelligence, MS Office Applications, Terms & Abbreviations, Keyboard Shortcuts, Evolution of Indian Banking (Banking & Financial Awareness), Emerging Tech Trends
  3. Engineering Mathematics: Set Theory, Relations, Functions, Graph Theory, Group Theory, Propositional and Predicate Logic, Linear Algebra, Calculus, Probability, Statistics, Signal Space and Optimum Detection, Probability, Statistics
  4. Digital Logic: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation, Floating Point Rep, Number Systems and Codes, Registers and Counters, Boolean Algebra and Logic Gates, Microprocessors and Microcontrollers, Logic Families and CMOS Logic, Microprocessors, Logic Gates and Boolean Algebra, Minimization of Boolean Functions, Timing, Hazards and Testing, Logic Families, Combinational Logic Design, Arithmetic Circuits, Waveform Generators and Timer Circuits, Semiconductor Memories and Programmable Logic Devices, Combinational Logic Circuits, Latches and Flip-Flops, Finite State Machines, Sequential Circuits and State Machines, Minimization of Boolean Functions, Arithmetic Circuits, Latches and Flip-Flops, Number Systems and Codes, Registers and Counters
  5. Computer Organisation & Architecture: Basics of COA, Cache Memory Organization, Input Output Organisation, Pipelining, Instr Formats & Modes, Control Unit Design, Programming the Basic Computer, Register Transfer and Microoperations, Semiconductor Memories and Programmable Logic, Processor Organization and Instructions, Memory Hierarchy and Input/Output, Registers and Counters
  6. Programming & Data Structures: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling, Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, HTML Basics, OOPS with C++, Java, Object Oriented Technology
  7. Databases: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, File Organization & Indexing, Relational Algebra, SQL, Relational Calculus, Transaction Management, Concurrency Control, Database Recovery, Database Security & Authorization
  8. Algorithms: Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos
  9. Theory of Computation: Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Grammar, Regular Language Properties, Moore & Mealy Machines, Pushdown Automata & CFG, Turing Machines, Complexity Theory
  10. Compiler Design: Intro to Compilers, Lexical Analysis, Grammar & CFG, Syntax Analysis: Top-Down, Syntax Analysis: Bottom-Up, Semantic Analysis & SDT, Intermediate Code Gen, Code Optimization, Run Time Environment
  11. Operating System: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, Disc Scheduling, File Management, Security, Windows OS, Distributed Systems, Unix OS, Linux OS
  12. Computer Networks: Introduction to CN, 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, Data Communication, Website, Browser & Services, Web Design & Development, Network Security, Cyber Threats and Malware Attacks, Cyber Safety and Security
  13. Full Length Mock Tests:
  14. Sectional Tests:
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This lecture segment introduces the multiprocessing operating system, specifically focusing on tightly coupled systems. The instructor presents a slide titled "Multiprocessing Operating System/ tightly coupled system," which remains on screen throughout the entire 250-second clip. The slide contains two bullet paragraphs defining the architecture and a central block diagram illustrating the hardware components. The instructor uses red digital annotations to underline key terms such as "tightly coupled system" and "Multiprocessing," and progressively highlights phrases like "two or more" and "close communication sharing the computer bus, memory." The diagram depicts four purple Processor boxes, each connected to a red Cache box. These processors feed into a blue bar labeled "Bus or Crossbar Switch," which connects to a green Memory box and a yellow I/O cylinder. The instructor explains that multiple CPUs share the bus, memory, and peripherals in close communication. Later in the segment, the top text is replaced with a paragraph noting that parallel processing is used in applications such as artificial intelligence, expert systems, image processing, and weather forecasting. The instructor also makes handwritten notes in the left margin, including numbers like 10, 250M, and small circled figures. The teaching flow moves from defining the tightly coupled architecture to illustrating its components and finally mentioning real-world applications of parallel processing.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The slide titled "Multiprocessing Operating System/ tightly coupled system" is displayed with two bullet paragraphs and a block diagram. The instructor underlines "tightly coupled system" in the title with a red pen mark at 5s, then adds a wavy underline under "Multiprocessing." The diagram shows four purple Processor boxes each linked to a red Cache box, all feeding into a blue bar labeled "Bus or Crossbar Switch," which connects to a green Memory box and a yellow I/O cylinder. At 65s, red handwritten notes appear in the left margin, including "10" with crossed-out text and an arrow. The instructor explains that multiple CPUs share the bus, memory, and peripherals in close communication.

  2. 2:00 – 4:11 02:00-04:11

    The same slide remains on screen, with the instructor progressively drawing red underlines over key phrases in the first bullet, such as "two or more" and "close communication sharing the computer bus, memory," then over "other peripheral devices" and "tightly coupled systems." Red handwritten notes with small numbers (2, 3, and a circled 9/12) appear beside scribbled words in the left margin. At 185s, red strikethrough lines cross several words in the diagram. Subsequent frames replace the top text with a paragraph stating that parallel processing is used in "artificial intelligence and expert system, image processing, weather forecasting etc." The instructor continues to gesture while explaining the architecture.

The core concept taught is the tightly coupled multiprocessing operating system, where multiple processors share a common bus, memory, and I/O peripherals. The block diagram is the central visual aid, showing the hierarchy: Processors with individual Caches connect to a shared Bus or Crossbar Switch, which then links to shared Memory and I/O. The instructor emphasizes the definition through progressive red underlining of key phrases, reinforcing that "two or more" processors engage in "close communication sharing the computer bus, memory." The transition to applications at the end connects the architectural concept to practical uses in AI, image processing, and weather forecasting. The handwritten margin notes suggest the instructor is tracking points or examples during the explanation.

Loading lesson…