Chantello's Components of an Operating System

Chantello Jagmoc
Mind Map by Chantello Jagmoc, updated more than 1 year ago
Chantello Jagmoc
Created by Chantello Jagmoc over 6 years ago


This mind map explains five components of an operating system

Resource summary

Chantello's Components of an Operating System
  1. Memory Management
    1. Keeps track of which parts of memory are currently being used and by who
      1. distribute and return memory space as needed
        1. Decide which processes to load when memory space becomes available
        2. Process Management
          1. A process is when a program is being executed.
            1. CPU time, memory, files, and I/O devices are resources that a process needs to finish its task
              1. The operating system is responsible for the following activities in connection with the process mangement
              2. File Management
                1. File creation and deletion
                  1. Directory creation and deletion
                    1. Support of primitives for manipulating files and directories
                      1. Mapping files onto secondary storage
                        1. File backup on stable storage media
                        2. I/O System Management
                          1. A buffer-caching system
                            1. A general device-driver interface
                              1. Drivers for specific hardware devices
                              2. Protection System
                                1. Distinguish between authorized and unauthorized usage
                                  1. Lets you know if you are downloading/opening an potential treat to your computer
                                    1. Protects your computer from viruses, trojans, etc
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