Computer system & Architecture Chapter 1 Introduction.
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Transcript of Computer system & Architecture Chapter 1 Introduction.
![Page 1: Computer system & Architecture Chapter 1 Introduction.](https://reader036.fdocuments.us/reader036/viewer/2022082819/56649f345503460f94c51f32/html5/thumbnails/1.jpg)
Computer system & Architecture
Chapter 1Introduction
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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?
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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
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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
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Function All computer functions are:
Data processing Data storage Data movement Control
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Functional view Functional view of a computer
DataMovementApparatus
ControlMechanism
DataStorageFacility
DataProcessingFacility
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Operations (1) Data movement
e.g. keyboard to screen
DataMovementApparatus
ControlMechanism
DataStorageFacility
DataProcessingFacility
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Operations (2) Storage
e.g. Internet download to disk
DataMovementApparatus
ControlMechanism
DataStorageFacility
DataProcessingFacility
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Operation (3) Processing from/to storage
e.g. updating bank statement
DataMovementApparatus
ControlMechanism
DataStorageFacility
DataProcessingFacility
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Operation (4) Processing from storage to I/O
e.g. printing a bank statement
DataMovementApparatus
ControlMechanism
DataStorageFacility
DataProcessingFacility
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Structure - Top Level
Computer
Main Memory
InputOutput
SystemsInterconnection
Peripherals
Communicationlines
CentralProcessing Unit
Computer
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Structure - The CPU
Computer Arithmeticand Login Unit
ControlUnit
Internal CPUInterconnection
Registers
CPU
I/O
Memory
SystemBus
CPU
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Structure - The Control Unit
CPU
ControlMemory
Control Unit Registers and Decoders
SequencingLogin
ControlUnit
ALU
Registers
InternalBus
Control Unit
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Outline of the Book (1) Computer Evolution and Performance Computer Interconnection Structures Internal Memory External Memory Input/Output Operating Systems Support Computer Arithmetic Instruction Sets
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Outline of the Book (2 ) CPU Structure and Function Reduced Instruction Set Computers Superscalar Processors Control Unit Operation Microprogrammed Control Multiprocessors and Vector
Processing Digital Logic (Appendix)
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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
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Internet Resources- Web sites to look for WWW Computer Architecture Home Page CPU Info Center ACM Special Interest Group on Computer
Architecture IEEE Technical Committee on Computer
Architecture Intel Technology Journal Manufacturer’s sites
Intel, IBM, etc.
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Internet Resources - Usenet News Groups comp.arch comp.arch.arithmetic comp.arch.storage
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Assignment Homework 1 Handout
– due 1/28/02 Read Chapt 1 & 2