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Operating system

Description

Operation System
leanripke
Mind Map by leanripke, updated more than 1 year ago
leanripke
Created by leanripke over 6 years ago
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Resource summary

Operating system
  1. Definition
    1. is a software system that manages
      1. hardware
        1. Collection of physical elements
          1. that constitues
            1. A Computyer system
              1. It can be
                1. Input
                  1. output
                    1. memory allocation
            2. sorftware
              1. Set of a machine-readable instructions
                1. that direct
                  1. a computer processor
                    1. for
                      1. specific operations
          2. Examples
            1. Android
              1. Windows Phone
                1. BlackBerry
                  1. iOS
                  2. Function
                    1. it provides
                      1. a stable system way
                        1. for
                          1. applications
                            1. to
                              1. deal with the hardware without having to know al details
                                1. of
                                  1. HARDWARE
                    2. Application code
                      1. Usually
                        1. executed
                          1. by
                            1. Hardware
                              1. And make frequently systerm calls
                        2. cellular phone
                          1. video games console
                          2. Types
                            1. TASKING
                              1. Single
                                1. Can only run one program at time
                                2. Multi
                                  1. Can run more than one program at time
                                3. USERS
                                  1. Single
                                    1. have to facilities to distinguish users
                                      1. but
                                        1. allow multiple programs to run in tandem,
                                    2. Multi
                                      1. extends the basic concepts of multi tasking with facillities that identify processes an resources
                                    3. DISTRIBUTED
                                      1. Manages
                                        1. group of ditinguish computers and make them opeer to be a single computer
                                      2. TEMPLATED
                                        1. In an OS
                                          1. distributed and cloud
                                            1. computing context
                                              1. templating
                                                1. refers to creat a single virtual machine
                                                  1. image a guest of operating system
                                        2. EMBEDED
                                          1. are designed for operate small machines
                                            1. like PDAs
                                          2. REAL TIME
                                            1. guarantees to process
                                              1. events or datas within a certain short amount of time
                                            2. LIBRARY
                                              1. networking
                                            3. Developments
                                              1. first generation of a computer (1950)
                                                1. a discrete aperarence of OS (1950)
                                                  1. changes in informatic fields appear unix and multics in (1960-1970)
                                                    1. appear big scales and chips and starting the augment of computers appear -mac OS & -ms dos (1980-1990)
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