chapter 01 - introduction

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William Stallings Computer Organization and Architecture Chapter 1 Introduction

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Page 1: Chapter 01 - Introduction

William Stallings Computer Organization and Architecture

Chapter 1Introduction

Page 2: Chapter 01 - Introduction

Architecture & Organization 1

Architecture is those attributes visible to the programmer Instruction set, number of bits used for data

representation, I/O mechanisms, addressing techniques.

e.g. Is there a multiply instruction?

Organization is how features are implemented Control signals, interfaces, memory technology. e.g. Is there a hardware multiply unit or is it done by

repeated addition?

Page 3: Chapter 01 - Introduction

Architecture & Organization 2

All Intel x86 family share the same basic architecture

The IBM System/370 family share the same basic architecture

This gives code compatibility At least backwards

Organization differs between different versions

Page 4: Chapter 01 - Introduction

Structure & Function

Structure is the way in which components relate to each other

Function is the operation of individual components as part of the structure

Page 5: Chapter 01 - Introduction

Function

All computer functions are: Data processing Data storage Data movement Control

Page 6: Chapter 01 - Introduction

Functional view

Functional view of a computer

DataMovementApparatus

ControlMechanism

DataStorageFacility

DataProcessingFacility

Page 7: Chapter 01 - Introduction

Operations (1)

Data movement e.g. keyboard to screen

DataMovementApparatus

ControlMechanism

DataStorageFacility

DataProcessingFacility

Page 8: Chapter 01 - Introduction

Operations (2)

Storage e.g. Internet download to disk

DataMovementApparatus

ControlMechanism

DataStorageFacility

DataProcessingFacility

Page 9: Chapter 01 - Introduction

Operation (3)

Processing from/to storage e.g. updating bank statement

DataMovementApparatus

ControlMechanism

DataStorageFacility

DataProcessingFacility

Page 10: Chapter 01 - Introduction

Operation (4)

Processing from storage to I/O e.g. printing a bank statement

DataMovementApparatus

ControlMechanism

DataStorageFacility

DataProcessingFacility

Page 11: Chapter 01 - Introduction

Structure - Top Level

Computer

Main Memory

InputOutput

SystemsInterconnection

Peripherals

Communicationlines

CentralProcessing Unit

Computer

Page 12: Chapter 01 - Introduction

Structure - The CPU

Computer Arithmeticand Login Unit

ControlUnit

Internal CPUInterconnection

Registers

CPU

I/O

Memory

SystemBus

CPU

Page 13: Chapter 01 - Introduction

Structure - The Control Unit

CPU

ControlMemory

Control Unit Registers and Decoders

SequencingLogin

ControlUnit

ALU

Registers

InternalBus

Control Unit

Page 14: Chapter 01 - Introduction

Outline of the Book (1)

Computer Evolution and PerformanceComputer Interconnection StructuresInternal MemoryExternal MemoryInput/OutputOperating Systems SupportComputer ArithmeticInstruction Sets

Page 15: Chapter 01 - Introduction

Outline of the Book (2 )

CPU Structure and FunctionReduced Instruction Set ComputersSuperscalar ProcessorsControl Unit OperationMicroprogrammed ControlMultiprocessors and Vector ProcessingDigital Logic (Appendix)

Page 16: Chapter 01 - Introduction

Internet Resources- Web site for book

http://www.shore.net/~ws/COA5e.html links to sites of interest links to sites for courses that use the book errata list for book information on other books by W. Stallings

Page 17: Chapter 01 - Introduction

Internet Resources- Web sites to look for

WWW Computer Architecture Home PageCPU Info CenterACM Special Interest Group on Computer

Architecture IEEE Technical Committee on Computer

Architecture Intel Technology JournalManufacturer’s sites

Intel, IBM, etc.

Page 18: Chapter 01 - Introduction

Internet Resources - Usenet News Groups

comp.archcomp.arch.arithmeticcomp.arch.storage