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Module I

Module I. Overview of Computer Architecture and Organization. What is a Computer ???. Definition: Cambridge. It is an ​electronic ​machine that is used for ​storing, ​organizing, and ​finding words, ​numbers, and ​pictures, for doing ​calculations, and for ​controlling other ​machines.

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Module I

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  1. Module I Overview of Computer Architecture and Organization

  2. What is a Computer ???

  3. Definition: Cambridge • It is an ​electronic ​machine that is used for ​storing, ​organizing, and ​finding words, ​numbers, and ​pictures, for doing ​calculations, and for ​controlling other ​machines

  4. Definition • It is a fast electronic calculating machine that • accepts digitized input information • process it according to a list of internally stored information and • produces the resulting output information

  5. Syllabus

  6. Pre-requisites • Fundamentals of Computer • Digital Logic Circuits • Programming Languages (C, C++, Java)

  7. Module 1 • Overview of Computer Architecture & Organization: • Introduction of Computer Organization and Architecture. • Basic organization of computer and block level description of the functional units. • Evolution of Computers, Von Neumann model. • Performance measure of Computer Architecture. • Introduction to buses and connecting I/O devices to CPU and Memory, bus structure.

  8. Module 1 • Overview of Computer Architecture & Organization: • Introduction of Computer Organization and Architecture. • Basic organization of computer and block level description of the functional units. • Evolution of Computers, Von Neumann model. • Performance measure of Computer Architecture. • Introduction to buses and connecting I/O devices to CPU and Memory, bus structure.

  9. Module 2 • Data Representation and Arithmetic Algorithms: • Number representation: Binary Data representation, two’s complement representation and Floating-point representation. IEEE 754 floating point number representation. • Integer Data computation: Addition, Subtraction, Multiplication: Signed multiplication, Booth’s algorithm, Division of integers: Restoring and non-restoring division, Floating point arithmetic: Addition, subtraction

  10. Module 3 • Processor Organization and Architecture: • CPU Architecture, Register Organization , Instruction formats, basic instruction cycle. Instruction interpretation and Sequencing. • Control Unit: Soft wired (Micro-programmed) and hardwired control unit design methods. Microinstruction sequencing and execution. Micro operations, concepts of nano programming. • Introduction to RISC and CISC architectures and design issues. • Case study on 8085 microprocessor: Features, architecture, pin configuration and addressing modes.

  11. Module 4 • Memory Organization: • Introduction to Memory and Memory parameters. Classifications of primary and secondary memories. Types of RAM and ROM, Allocation policies, Memory hierarchy and characteristics. Cache memory: Concept, architecture (L1, L2, L3), mapping • techniques. Cache Coherency, Interleaved and Associative Memory Virtual Memory: Concept, Segmentation and Paging , Page replacement policies.

  12. Module 5 • I/O Organization and Peripherals: • Input/output systems, I/O modules and 8089 IO processor. • Types of data transfer techniques: Programmed I/O, Interrupt driven I/O and DMA. • Peripheral Devices: Introduction to peripheral devices, scanner, plotter, joysticks, touch pad.

  13. Module 6 • Introduction to parallel processing systems: • Introduction to parallel processing concepts • • Flynn’s classifications • • pipeline processing • • instruction pipelining, • • pipeline stages • • Pipeline hazards.

  14. Text Books • 1. Carl Hamacher, Zvonko Vranesic and Safwat Zaky, “Computer Organization”, Fifth Edition, Tata McGraw-Hill. • 2. John P. Hayes, “Computer Architecture and Organization”, Third Edition. • 3. William Stallings, “Computer Organization and Architecture: Designing for Performance”, Eighth Edition, Pearson. • 4. B. Govindarajulu, “Computer Architecture and Organization: Design Principles and Applications”, Second Edition, Tata McGraw-Hill.

  15. Reference Books • 1. Dr. M. Usha, T. S. Srikanth, “Computer System Architecture and Organization”,First Edition, Wiley- India. • 2. “Computer Organization” by ISRD Group, Tata McGraw-Hill. • 3. Ramesh Gaonkar, “Microprocessor Architecture, Programming and Applications with the 8085, Fifth Edition,Penram.

  16. Termwork • Term work should consist of at least 08 experiments. • Journal must include at least 2 assignments. • The final certification and acceptance of term work ensures that satisfactory performance • of laboratory work and minimum passing marks in term work. • Term Work: 25 Marks ( total marks ) = • 15 Marks ( Experiment ) + • 5 Marks ( Assignment ) + • 5 (Attendance (theory+practical)) • oral exam will be based on the above syllabus.

  17. My Computer

  18. Lenovo Desktop • Name & Model : Intel Core i3-2120 • CPU Speed : 3.3 GHz • RAM : 2GB • 32-bit Operating System • Hard disk : 320GB HOW MANY CORES ARE IN YOUR MOBILE?

  19. Micro architecture • Itis a description of the electrical circuitry of a computer central processing unit that is sufficient for completely describing the operation of the hardware.

  20. Types of Computers • Desktop & Mobile • Notebook • Workstations • Mainframes • Servers • Supercomputers

  21. DESKTOP COMPUTERs • It has • Processing & Storage units(e.g. Hard disks, CD‐ROMs), • visual display &audio output units, • Input units ( keyboard, mouse, etc) • It can be easily located on a home or office desk • Used in homes, schools, business offices,…

  22. NOTEBOOK COMPUTERs • Compact form of personal computer (laptop) • Size of a thin briefcase • Portable

  23. WORKSTATIONs • Has high resolution graphics input/output capability • Has dimensions of desktop computer • More computational power than PC • Costlier • Used to solve complex problems which arises in engineering application

  24. Mainframe • Also called Enterprise Systems • More computational power and storage than Workstation • Used for business data processing in medium to large corporations.

  25. Servers • Contain big database storage units. • Handles large volumes of data requests • Requests and responses are transported via Internet • They are widely accessible to all.

  26. Supercomputers • Faster than mainframes • Helps in large scale numerical calculations • Used for aircraft design and testing, military application, weather forecasting, etc.

  27. Quiz

  28. Question : 01 • The acronym PC stands for: • Private Computer • Personal Computer • Personal Compact

  29. Question : 02 • Complex scientific research is usually done using: • Mainframe Computer • Super Computer • Mini Computer

  30. Question : 03 • A laptop is an example for Personal Computer • True • False

  31. Question : 04 • Which is not a Personal Computer • Desktop • Laptop • Mainframe • Tablet

  32. Question : 05 • Mainframes are very cheap • True • False

  33. This course is about: • What computers consist of • How computers work • How they are organized internally • What are the design tradeoffs • How design affects programming and applications • How to fix computers • How to build myself one real cheap • Which one to buy • Knowing all about the core i3, i5, i7

  34. Introduction of Computer Architecture and Organization

  35. University Question • Differentiate between Computer Architecture and Organization (05 Marks)

  36. Computer Architecture • Defn: It refers to the attributes of a system visible to a programmer that have a direct impact on the logical execution of a program • E.g. : Instruction set, No. of bits for various datatypes,…

  37. Computer Organization • Defn: It refers to the operational units and their interconnections that realize the architectural specifications. • E.g. Interfaces, Memory Used,…

  38. Example Architectural Issue Organizational Issue Whether to include a multiply unit or go for repeated addition? • Whether to have multiply instruction?

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