KNOWING WHAT IT MEANS OF THE OS (MENGENAL OPERATING SYSTEM (SISTEM OPERASI))

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Operating System is a liaison between the users of computers with computer hardware.
Operating System divided into two general categories:
1. DOS (Dirty Operating System) / QDOS (Quick and Dirty Operating System)
This type of interface is still difficult in use because when a user executes a command must first learn terlebuh Command Codes.

2. GUI (Graphic User Interface)

Type Graphical GUI using principles to facilitate the user in perngoprasian computer without having to memorize what the code for an execution, and so on.

Support Capabilities
DOS/ QDOS
GUI
Yes
No
Yes
No
Multi Tasking
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Multi Thread
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Networking
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Easy to Use
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Safe
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Efficiently
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Some functions of the OS: Programming, Program Execution, Access to I / O Device, Controlled Access System Against File Access, Detection and Giving Feedback By Mistake, And Accounting.