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overview of computer - Coggle Diagram

- - - - productivity software:it is used to improve the way people do their work
      - bussines software:it is used to run bussines activities
      - entertainement software:it is used to entertain people
- - - - all the physical components of computer
    - - a set of instructions data or program used to operate computers an execute specefic tasks
  - - - accepting data
    - - performing operations
    - - write data to storage device usb flash drive
    - - sending result
  - - - super computer
- - - - mouse,track ball,joystick,touchscreen,light pen,touch pad
  - - - cathode ray tubes,liquid crystal display,light emmiting diodes
    - - flatbedplotters,drum plotters
    - - impact printers,non impact printers
        
        non impact printers:inkjek and laser printer
        
        impact printers:dot matrixsand chain printer