OPERATING SYSTEM WHY NEED THERE IS A SYSTEM OPERATION? Past VS Now ABSTRACT COMPUTER SYSTEM COMPONENTS User1 User2 Application Software Operating System Hardware User3 WHAT ROLE OPERATING SYSTEM? ROLE OF THE OPERATING SYSTEM As Government AsResource Allocator AsControl Program ROLE OF THE OPERATING SYSTEM As Government Regulate the proper use of computer system components and data. Giveenvironmentso that the application program can be useful. AsResource Allocator AsControl Program : h/w, s/w ROLE OF THE OPERATING SYSTEM As Government AsResource Allocator Manager ofresources:CPU time,memory space,file storage, I/O devices. Giveresourcesfor certain programs anduseras needed so that the computer system runs efficiently. AsControl Program ROLE OF THE OPERATING SYSTEM As Government AsResource Allocator AsControl Program Controls the I/O devices used. Control the execution of application programs to prevent errors and improper use of the computer. WHAT IS A SYSTEM OPERATION ? OPERATING SYSTEM DEFINITION “Inthe resource manager view, the operating system's job isto manage the different parts of the system efficiently. In the extendedmachine view, the job of the system isto provide the users with abstractions that are more convenient to use than the actual machine. These include processes, address spaces, and OPERATING SYSTEM DEFINITION "is software"that manages the computer hardware, as well as providing an environment for ap ...
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