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) that represents another set of symbols, such as the letters of the alphabet, or integers or real numbers, or light in an image, for the tone of a violinCopyright 2007 David Vernon ( )
Copyright © 2007 David Vernon (www.vernon.eu) Operating Systems • Shell (or user interface) • Network interface: coordinate multiple tasks in a single computer • …
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