Operating System Interview Question Set.pdf

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1、OperatingSystemInterviewQuestionSet-1What'sOPERATINGSYSTEM?AnOperatingSystem,orOS,isasoftwareprogramthatenablesthecomputerhardwaretocommunicateandoperatewiththecomputersoftware.WithoutacomputerOperatingSystem,acomputerwouldbeuseless.OPERATINGSYSTEMTYPESAscomputershaveprogre

2、ssedanddevelopedsohavethetypesofoperatingsystems.BelowisabasiclistofthedifferenttypesofoperatingsystemsandafewexamplesofOperatingSystemsthatfallintoeachofthecategories.ManycomputerOperatingSystemswillfallintomorethanoneofthebelowcategories.GUI-ShortforGraphicalUserInterface

3、,aGUIOperatingSystemcontainsgraphicsandiconsandiscommonlynavigatedbyusingacomputermouse.SeeourGUIdictionarydefinitionforacompletedefinition.BelowaresomeexamplesofGUIOperatingSystems.System7.xWindows98WindowsCEMulti-user-Amulti-userOperatingSystemallowsformultipleuserstouset

4、hesamecomputeratthesametimeand/ordifferenttimes.Seeourmulti-userdictionarydefinitionforacompletedefinitionforacompletedefinition.Belowaresomeexamplesofmulti-userOperatingSystems.LinuxUnixWindows2000WindowsXPMacOSXMultiprocessing-AnOperatingSystemcapableofsupportingandutiliz

5、ingmorethanonecomputerprocessor.BelowaresomeexamplesofmultiprocessingOperatingSystems.LinuxUnixWindows2000WindowsXPMacOSXMultitasking-AnOperatingsystemthatiscapableofallowingmultiplesoftwareprocessestorunatthesametime.BelowaresomeexamplesofmultitaskingOperatingSystems.UnixW

6、indows2000WindowsXPMacOSXMultithreading-Operatingsystemsthatallowdifferentpartsofasoftwareprogramtorunconcurrently.Operatingsystemsthatwouldfallintothiscategoryare:LinuxUnixWindows2000WindowsXPMacOSXWhatarethebasicfunctionsofanoperatingsystem?-Operatingsystemcontrolsandcoor

7、dinatestheuseofthehardwareamongthevariousapplicationsprogramsforvarioususes.Operatingsystemactsasresourceallocatorandmanager.Sincetherearemanypossiblyconflictingrequestsforresourcestheoperatingsystemmustdecidewhichrequestsareallocatedresourcestooperatingthecomputersystemeff

8、icientlyandfairly.Alsooperatingsystemiscontrolprogramwhichcontrolstheuserprogramst