Isolated IO

Duration: 4 min

This video lesson is available to enrolled students.

Return to /learn/BIHAR-STET-COMPUTER-SCIENCE-COMPLETE-COURSE/unit-2-coa/input-output-organisation/interface-addressing/asset-isolated-io after enrolling

Inside: a video lesson and guided study material.

Module outline

  1. About the course: About the Course
  2. Mathematical Aptitude: Number System, HCF LCM, Divisibility Rules, Percentage, Ratio and Proportion (Ratios), Average, Profit and Loss, Time and Work, Mensuration and Geometry, Simple Interest and Compound Interest, Speed Time and Distance, Age Problems, Mixture and Alligation, Algebra, Powers and Exponents (Surds and Indices), Pipe and Cistern, Trigonometry, Statistics, Data Interpretation, Arithmetic
  3. Logical Reasoning: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Analogy, Blood Relations, Directions (Direction Test), Ranking, Order and Sequence, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Seating Arrangements, Syllogisms, Venn Diagram, Puzzle Solving (Puzzles), Logical Sequence Of Words, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Analytical Reasoning (Counting Figures Reasoning), Cubes & Dices, Calendar, Clock
  4. General Knowledge: Physics, Chemistry, Biology, History, Geography, Polity, Indian Economy, GK- Current Affairs, Static General Knowledge
  5. Art of Teaching: Nature, Objectives & Characteristics of Teaching, Learners & Learning Process, Factors Affecting Teaching, Methods of Teaching, Classroom Management & Communication, Teaching-Learning Aids & ICT Integration, Evaluation, Assessment & Measurement, Professional Development & Ethics, Policies, Acts & Contemporary Issues, Curriculum & School Environment, Guidance, Counselling & Mental Health, Inclusive Education & Special Needs, Micro-Teaching & Teaching Skills, Lesson Planning
  6. Environmental Science: Environment
  7. Unit 1 | Digital Electronics: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation
  8. Unit 2 | COA: Basics of COA, Floating Point Rep, Cache Memory Organization, Input Output Organisation, Instr Formats & Modes, Control Unit Design, Register Transfer and Microoperations, Programming the Basic Computer
  9. Unit 3 | C Programming: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
  10. Unit 3 | Data Structures: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing
  11. Unit 4 | Algorithms: Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos, Advanced Algorithms
  12. Unit 5 | Operating System: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, Disc Scheduling, File Management
  13. Unit 6 | Database Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, File Organization & Indexing, Relational Algebra, SQL, Transaction Management, Concurrency Control
  14. Unit 7 | 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
  15. Unit 8 | Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  16. Unit 9 | Object Oriented Programming: OOPS with C++
  17. Unit 10 | Web Development: HTML Basics, CSS, JavaScript-Basics, XML
  18. Unit 11 | 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
  19. Unit 12 | IoT: Emerging Tech Trends, Cloud Computing
  20. Unit 13 | Artificial Intelligence: Approaches to AI, Search Algorithms, Game Playing, Knowledge Representation, Natural Language Processing, Artificial Neural Networks, Genetic Algorithms
  21. Unit 14 | E-Commerce: Electronic Data Interchange and E-Commerce, Role of Internet and Web Services, Security in Mobile and Wireless Computing, Physical Security and Cryptography Basics, Cyber Safety and Security
  22. Unit 15 | Multimedia: Multimedia
  23. Unit 16 | Python: Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules, File Handling & Data Analysis, DSA using Python
  24. Full Length Mock Tests — General Paper:
  25. Full Length Mock Tests — Computer Science (Paper II):
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This lecture covers computer architecture concepts, specifically focusing on Isolated I/O and I/O Processors. It begins by explaining Isolated I/O where a common bus is used, distinguished by separate control lines for memory and I/O transfers, citing the 8086 as an example. It then transitions to the I/O Processor concept, highlighting its advantages in memory efficiency and the need for separate control lines, before introducing the I/O Processor architecture which uses independent buses for memory and I/O operations to provide an independent pathway for data transfer.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The lecture introduces 'Isolated i/o' using a slide with bullet points and a system diagram. The text states that a common bus transfers data between memory or I/O and the CPU. The distinction between memory and I/O transfers is made through separate read and write lines. Specifically, 'i/o read and i/o write control lines are enabled during an i/o transfer,' while 'Memory read and memory write control lines are enabled during a memory transfer.' The 8086 microprocessor is cited as an example. The instructor underlines key phrases like 'common bus' and 'separate read and write line' on the slide. He also draws red arrows and checkmarks on the diagram labeled 'Fig. 8.7. Programmed I/O with I/O mapped I/O' to illustrate the connections between the CPU, Memory, and I/O Ports (1, 2, 3) and devices (A, B).

  2. 2:00 – 3:41 02:00-03:41

    The instructor transitions to discussing the pros and cons of the previous method. A slide lists the 'Advantage' as memory being used efficiently because the same address can be used two times. The 'Disadvantage' is the need for different control lines for memory and I/O devices. The lecture then moves to a new topic, 'I/O Processor.' The text explains that computers with a separate I/O processor have independent sets of data, address, and control buses. One set is for accessing memory, and the other is for I/O. The I/O processor communicates with input and output devices through a separate I/O bus with its own address, data, and control lines. The purpose is to provide an independent pathway for transferring information between external devices and internal memory. The diagram shows the CPU, I/O Processor, Memory Unit, and various devices like Keyboard and Printer connected via interfaces.

The video progresses from explaining Isolated I/O, where a single bus is shared but distinguished by control lines, to the I/O Processor architecture. This shift highlights a move towards more complex systems where separate buses allow for independent data pathways, improving efficiency and reducing the burden on the CPU by offloading I/O management to a dedicated processor. The instructor uses diagrams and underlined text to emphasize the structural differences between these two approaches to input/output handling in computer systems.

Loading lesson…