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Basic Structure of Computer

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Computer Architecture Lecture 1 Computer Organization and Design (third edition) David A. Patterson John L. Hennessy Computer Organization (fifth edition) Carl ... – PowerPoint PPT presentation

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Title: Basic Structure of Computer


1
Basic Structure of Computer
  • Computer Architecture
  • Lecture 1

2
Reference Materials
  • Computer Organization and Design (third edition)
  • David A. Patterson
  • John L. Hennessy
  • Computer Organization (fifth edition)
  • Carl Hamacher
  • Zvonko Vranesic
  • Safwat Zaky
  • Class Lectures

3
Syllabus(any one section)
  • Computer Structure/Architecture
  • Operation of Instruction set Execution
  • Pipelining

4
Class Tests
  • Maximum three class tests
  • One will be in very usual way
  • One will be sudden (The easiest one, small
    syllabus, no memorizing, but the date is unknown
    to me too!!!)
  • If 60 of you(that is, 36) get 80 marks(32) in
    above two class tests, only then 3rd class test
    will be taken, which will be open material and
    the hardest one!!

5
Class Schedule
  • From this week to 6th Week.
  • Total class 18 2 20
  • Total lecture lt 16
  • 21 3 ANOTHER WEEK!!! (kept in hand
    unfortunately, due to the political and weather
    condition of Bangladesh)
  • Class time lt 40 minutes.

6
Introduction
  • Definition of C.A.
  • The Architecture of a computer can be defined as
    the design of the task-performing part of it.
  • It also includes the overall fundamental working1
    principle of the internal logical structure2 of a
    computer system.
  • So, computer architecture includes
  • Instruction set architecture
  • Machine architecture

7
Introduction
  • Objectives of a Computer architect
  • To select, design, interconnect and engineer
    hardware components of various levels of computer
    that meet functional performance and
    programmability maintaining cost and
    availability constraint.
  • So, the total coordination of abstract levels of
    a processor under changing forces, involving
    design, measurement and evaluation is within the
    objectives of a computer architect.

8
Instruction set Architecture
  • Instruction set architecture is the attributes of
    a computing system as seen by the assembly
    language programmer or compiler.
  • This includes
  • Instruction Set (what operations can be
    performed?)
  • Instruction Format (how are instructions
    specified?)

9
Instruction set Architecture
  • Data storage (where is data located?)
  • Addressing Modes (how is data accessed?)
  • Exceptional Conditions (what happens if something
    goes wrong?)

10
Machine Architecture
  • Machine organization is the view of the computer
    that is seen by the logic designer.
  • This includes
  • Capabilities performance characteristics of
    functional units (e.g., registers, ALU, shifters,
    etc.).
  • Ways in which these components are interconnected
  • How information flows between components

11
Machine Architecture
  • Logic and means by which such information flow is
    controlled
  • Coordination of functional units Typically the
    machine organization is designed to meet a given
    instruction set architecture.
  • However, in order to design good instruction
    sets, it is important to understand the how the
    architecture might be implemented.

12
Structure Functional Units
  • Functional Units
  • A computer consists of 3 main functionally
    independent units
  • Input/output(I/O) unit
  • Memory
  • Processor
  • The I/O unit and the processor is again
    sub-divided into 2 parts.

13
Structure Functional Units
  • The 2 parts of I/O unit
  • Input
  • Output
  • The 2 parts of processor
  • Arithmetic and Logic unit
  • Control unit
  • So, there are main 5 functional units of a
    computer.

14
Functional Units
Arithmetic
and
Input
logic
Memory
Output
Control
Processor
I/O
Functional units of a computer.
15
References
  • Class Lecture
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