CSE 1310 -- Lec 3

CSE 1310 Lec 3 - Composed of one or more programs that manage operations of a computer Acts as an interface between user and hardware between

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Composed of one or more programs that manage operations of a computer Acts as an interface between user and hardware between application programs and hardware Loading operating system into memory is called booting the computer Communicating with computer user Accepting input and producing output Allocating system resources CPU Memory Input/Output (I/O) Monitoring system activity Performance – is machine running effectiviely Security – prohibiting unauthorized access Single Program One user Running one program I.e., MS-DOS Multiprogramming (Multitasking) One user or multiple users Running more than one program concurrently Implemented on a single processor by time slices or priority demand I.e., Unix, Windows 98 Multiprocessing Multiple users Runing more than one program concurrently More than one processor I.e., supercomputers The part of the computer system the user sees when interacting with the computer
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This note was uploaded on 04/15/2010 for the course CSE 1310 taught by Professor Staff during the Spring '08 term at UT Arlington.

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CSE 1310 Lec 3 - Composed of one or more programs that manage operations of a computer Acts as an interface between user and hardware between

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