revision resource

Beschreibung

operating syatem
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13max.clay
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Zusammenfassung der Ressource

revision resource
  1. Provides a user interface a user interface is a visual part of computer aplication or operating system though which the user interacts wth a computer or a software
    1. why does a computer have a user interface.?
      1. a computer has a user interface so that without a user nterface of some sort the user would not be able to interact/use the computer
    2. Facts about booting a computer
      1. in computing ,booting or booting up is the instalazion of the computer system. The system can be a computer or a computer appliance. The booting process can be "hard", after electrical power to the CPU is switched from off to on (in order to diagnose particular hardware errors), or "soft", when those power-on self-tests (POST) can be avoided. Soft booting can be initiated by hardware such as a button press, or by software command. Booting is complete when the normal, operative, runtime environment is attained.
      2. file management
        1. The system that an operating system or program uses to organize and keep track of files. For example, a hierarchical file system is one that uses directories to organize files into a tree structure.
          1. Although the operating system provides its own file management system, you can buy separate file management systems. These systems interact smoothly with the operating system but provide more features, such as improved backup proceduresand stricter file protection.
            1. What is file management? The data that we work with on computers is kept in a hierarchical file system in which directories have files and subdirectories beneath them. Although we use the computer operating system to keep our image data organized, how we name files and folders, how we arrange these nested folders, and how we handle the files in these folders are the fundamental aspects of file management. The operating system's organization of our data can be enhanced by the use of cataloging programs, which make organizing and finding image files easier than simply relying on the computer's directory structure. Another feature of catalog programs is that they can streamline backup procedures for better file protection.
            2. The operating system performs basic computer tasks, such as managing the various peripheral devices such as the mouse, keyboard and printers. For example, most operating systems now are plug and play which means a device such as a printer will automatically be detected and configured without any user intervention.
              1. The operating system also handles system resources such as the computer's memory and sharing of the central processing unit (CPU) time by various applications or peripheral devices. Programs and input methods are constantly competing for the attention of the CPU and demand memory, storage and input/output bandwidth. The operating system ensures that each application gets the necessary resources it needs in order to maximise the functionality of the overall system.
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