Lect01-04-cse320-S09-chapter1

Lect01-04-cse320-S09-chapter1 - Chapter 1 Computer...

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Chapter 1 Computer Abstractions and Technology Larry Wittie Computer Organization CSE320 Spring 2009
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2 CSE320 Administration Time: Tues and Thur 2:20PM - 3:40PM Location: Earth&SpaceSci ESS 079 Textbook: Computer Organization and Design, 4 th Edition ( 2008 ), Authors: Patterson and Hennessy Instructor: Prof. Larry Wittie Office: CS Building, Room 1308, Networks Lab Phone: 631-632-8750 Email: lw@IC.sunysb.edu Office Hours: Tues and Thur 4-5 & 7:30-8pm or by appointment (send email or check 1308 late TuTh) Homepage: http://www.cs.sunysb.edu/~cse320 1/27,29 + 2/3,5/09 Lects 01-04 Chap. 1 — Computer Abstractions & Technology —
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3 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 1/27,29 + 2/3,5/09 Lects 01-04 Chap. 1 — Computer Abstractions & Technology —
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4 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 1/27,29 + 2/3,5/09 Lects 01-04 Chap. 1 — Computer Abstractions & Technology —
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5 Review: Some Basic Definitions K ilo byte ( KB ) – 2 10 (1,024) or 10 3 (1,000 or “thousand” ) Bytes (a 500-page book) M ega byte ( MB ) – 2 20 (1,048,576) or 10 6 ( “million” ) Bytes (wall of 1000 books) G iga byte ( GB ) – 2 30 (1,073,741,824) or 10 9 ( “billion” ) Bytes (a 1000-wall library) T era byte ( TB ) – 2 40 (1.100 x 10 12 ) or 10 12 ( “trillion” ) Bytes (1000 big libraries) P eta byte ( PB ) – 2 50 (1.126 x 10 15 ) or 10 15 ( “quadrillion” ) Bytes (1/2 hr 1 satellite) Exa byte – 2 60 (1.153 x 10 18 ) or 10 18 ( “quintillion” ) Bytes (40 days: satellite data) Remember that 8 b its = 1 B yte m illi sec ( ms ) – 10 -3 ( “a thousandth of a” ) second light goes 300 kilometers μ icro s ec ( μ s ) – 10 -6 ( “a millionth of a” ) second light goes 300 meters n ano s ec ( ns ) – 10 -9 ( “a billionth of a” ) second light goes 30 cm, 1 foot p ico s ec ( ps ) – 10 -12 ( “a trillionth of a” ) second light goes 300 μ m, 6 hairs f emto s ec ( fs ) – 10 -15 ( “one quadrillionth” ) second light goes 300 n m, 1 cell atto sec – 10 -18 ( “one quintillionth of a” ) second light goes 0.3 n m, 1 atom 1/27,29 + 2/3,5/09 Lects 01-04 Chap. 1 — Computer Abstractions & Technology —
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6 The Processor Market Thanks to MJ Irwin, PennState 1/27,29 + 2/3,5/09 Lects 01-04 Chap. 1 — Computer Abstractions & Technology —
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7 What You Will Learn
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Lect01-04-cse320-S09-chapter1 - Chapter 1 Computer...

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