Transcription of Introduction to Computer Architecture
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Introduction to Computer Architecture
Copyright 2007 David Vernon ( )An Introduction to Computer SystemsDavid VernonCopyright 2007 David Vernon ( )A Computer .. takes input processes it according to stored instructions produces results as outputCopyright 2007 David Vernon ( )Key Concepts Input: Data Instructions: Software, Programs Output: Information (numbers, words, sounds, images)Copyright 2007 David Vernon ( )Types of ComputerPre-programmedWatchesTraffic SignalsEngine ManagementTelevisionsTelephonesNavigatio n DevicesSpecial Purpose(embedded systems)Can be adapted tomany situationsPersonal ComputersWorkstationsMainframesSupercomp utersGeneral Purpose(user-programmable)ComputerCopyri ght 2007 David Vernon ( )Data vsInformation A 2, 4, 23, 30, 31, 36 A your grade in the exam 2, 4, 23, 30, 31, 36 Next week s Lotto numbersCopyright 2007 David Vernon ( )Key Concepts Codes Data and information can be represented as electrical signals ( Morse code) A code is a set of symbols (such as dots and dashes in Morse code)
Copyright © 2007 David Vernon (www.vernon.eu) Storage Systems • Write-One Read_Mostly CDs (WORMS) – Powerful laser burns in the digital code – Not erasable ...
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