Operating Systems

Description

Mind Map on Operating Systems, created by Kyran Inwood on 21/04/2021.
Kyran Inwood
Mind Map by Kyran Inwood, updated more than 1 year ago
Kyran Inwood
Created by Kyran Inwood over 3 years ago
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Resource summary

Operating Systems
  1. Examples of operating systems : Windows, Mac Os, LINUX, UNIX, Android and IOS.
    1. CPU
      1. Multi-Tasking
        1. Splits processor time between different programs. making them appear to run simultaneously
        2. Manages processor by allocating time to running processes
        3. Security
          1. Authenticates users and prevents access to restricted files.
          2. Peripherals
            1. External hardware devices
              1. Drivers used OS codes and hardware codes
              2. GUI
                1. A GUI is used by most PC and phone operating systems. Graphical representations of the computer’s functions are shown to the user and controlled by touchscreen or a mouse and keyboard. Programs often run in windows and several can be shown at the same time.
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