Real Time Operating System ConceptsReal Time Operating System
Operating System
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Transcript of Operating System
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OPERATING SYSTEM
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OS is used to• Coordinates and monitor ALL activities/
performances among computer hardware resources.
• Run several programes at a time. (e.g: Games, Musics, Microsoft Offices etc.)
• Provide file management and other utilities.• Store memory – Non-Volatile memory
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• Monitor, asses and report information about programs, system resources and devices.
• Provide users interfaces• Administer security
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Famous OS• Macintosh (Apple)• Unix• Window Microsoft
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OS: Booting System
BS is the process of starting or restarting a computer– Warm Boot : Restarting
PC that is switched on.- Cold Boot:
Switch on the PC
Example of warm boot
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OS: Booting System
BS contains BOOT DISK - Contains system files that will start PC when
PC cannot switched on.
BOOT DISK = Recovery Disk
*loss of boot disk will jeopardize the whole PC. Never ever lose it.*
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OS: Graphical User Interface (GUI)
means users like us, interact with menus and visual images such as in the photos.
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OS: MULTITASKING
Running 2 or more programs at the same time.- Foreground shows the prog. you are
currently using.- Background shows the prog. that are running but not in use.
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OS: Internet ConnectionGuides users
through setting up connection between PC and Internet service provider.
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OS: Monitor Performances
- It overlooks the performances done by users.
- It checks the processes occurring at that time.
- It assesses information about the programs and devices.
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OS: Network OS
1. Allow users to share resources.
2. Watches over the security by providing password or user name
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