Lecture_2 - Chapter 1 Computer Abstractions and Technology...

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Chapter 1 Computer Abstractions and Technology
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The Computer Revolution Progress in computer technology Underpinned by Moore’s Law Makes novel applications feasible Computers in automobiles Cell phones Human genome project World Wide Web Search Engines Computers are pervasive §1.1 Introduction
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Classes of Computers Desktop computers General purpose, variety of software Subject to cost/performance tradeoff Server computers Network based High capacity, performance, reliability Range from small servers to building sized Embedded computers Hidden as components of systems Stringent power/performance/cost constraints
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The Processor Market
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What You Will Learn How programs are translated into the machine language And how the hardware executes them The hardware/software interface What determines program performance And how it can be improved How hardware designers improve performance What is parallel processing
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Understanding Performance Algorithm Determines number of operations executed Programming language, compiler, architecture Determine number of machine instructions executed per operation Processor and memory system Determine how fast instructions are executed I/O system (including OS) Determines how fast I/O operations are executed
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This note was uploaded on 03/07/2012 for the course CS 2506 taught by Professor Srinidhivaradarajan during the Spring '12 term at Virginia Tech.

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Lecture_2 - Chapter 1 Computer Abstractions and Technology...

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