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Learn Operating system

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更新日期:2019-05-07

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Learn Operating system(圖1)-速報App

Learn Operating system, Basic Operating system, Operating system book, Operating system app, learn basic Operating system, Operating system notes, Operating system tutorial.

Learn Operating system(圖2)-速報App

An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.

Learn Operating system(圖3)-速報App

Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, printing, and other resources.

For hardware functions such as input and output and memory allocation, the operating system acts as an intermediary between programs and the computer hardware, although the application code is usually executed directly by the hardware and frequently makes system calls to an OS function or is interrupted by it. Operating systems are found on many devices that contain a computer – from cellular phones and video game consoles to web servers and supercomputers.