Operating systems ：a spiral approach 2010外文电子版

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1、OperatingSystemsElmasri,Carrick,andLevinesspiralapproachtoteachingoperatingsystemsdevelopsstudentunderstandingofvariousOScomponentsearlyonandhelpsstudentsapproachthemoredifcultaspectsofoperatingsystemswithcondence.WhileoperatingsystemshaveOperatingSystemschangeddramaticallyoverth

2、eyears,mostOSbooksusealinearapproachthatcoverseachindividualOScomponentindepth,whichisdifcultforstudentstofollowandrequiresinstructorsconstantlytoputmaterialincontext.Elmasri,Carrick,andLevinedothingsdifferentlybyfollowinganintegrativeorspiralASpiralApproachapproachtoexplainingope

3、ratingsystems.Thespiralapproachalleviatestheneedforaninstructortojumpaheadwhenexplainingprocessesandotherconceptsbyhelpingstudentscompletelyunderstandasimple,working,functionaloperatingsystemasawholeintheverybeginning.Thisismoreeffectivepedagogically,anditinspiresstudentstocontinue

4、exploringmoreadvancedconceptswithcondence.KeyFeatures:Theauthorsuseaconversationalstyletoavoidboringthestudentswithexcessivepedantry.RamezElmasriThebooknotonlyusesthenormal,acceptedtermsfordescribingoperatingsystems,butalsodiscussesalternativetermswhennoacceptedstandardterminology

5、existsorwhereothertermswereusedhistorically.ASpiralApproachForeachOSthatistreatedseparately,whetherinthespiralsectionorinthecasestudies,theA.GilCarrickbookincludessomehistoryoftheindustryatthetime,andsometimesthekeycompaniesorMDDALIM#99986512/17/08CYANMAGYELOBLKindividualsinvolved.

6、ThisfollowsfromtheauthorsbasicbeliefthatastudentcanunderstandOSsbetteriftheyareplacedinameaningfulcontext.ThebookcoversmodernOSsfoundindevicesnotconventionallyregardedascomputerssincethestudentsusethesedeviceseverydayandhaveanoperationalfamiliaritywiththem.DavidLevineTheauthorsdisc

7、ussalgorithmicsolutionsaswellasprovidingpseudocode,sincestudentsatdifferentschoolswillhavebeenexposedtodifferentlanguages.Anabundanceofguresareincorporatedasanaidtothosewholearnbettervisuallythanbyreadingsequencesofwords.Eachchapterendswithasetofquestionsthatastudentcanusetoassess

8、thelevelofunderstandingoft