Computer system

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Computer system

  1. 1. Computer is an electronic device that can accept data, process it and give result. Computer stands for “Commonly Operated Machine Particularly Used for Trade Education and Research”  It is Fast, Accurate, Versatile, Diligent, Automatic and High Storage Device.
  2. 2.  Mechanical Era (2500yrs ago – 1896)  Electro Mechanical Era (1900 – 1942)  Electronic Era (1946 - 1961)  Modern Era (1961 – Now)
  3. 3.  Super Computer  Mainframe Computer  Mini Computer  Micro Computer
  4. 4.  Analogue Computer  Digital Computer  Hybrid Computer
  5. 5.  IBM PC  IBM Compatibles  Apple/Macintosh
  6. 6.  A system of one or more Computers and associated software with common storage.  Computer Hardware that is added to a Computer in order to expand its abilities are Computer Peripherals.  Keyboard, Mouse, Printer, Projector, etc. are Computer Peripherals.
  7. 7.  Physical parts of Computer that can be touched.  Monitor, Keyboard, Mother Board, Sound card, Memory, etc. 
  8. 8.  A set of programs, procedures, functions, associated data or its Documentation.  It is Untouchable.  It exists as ideas, application, concepts, and symbols but it has no physical substance.
  9. 9.  System Software: Windows OS, Mac, Linux, etc.  Utility Software: AVG, Norton, Panda, Quick, etc.  Application Software: MS Word, MS PowerPoint, Photoshop, freehand mx, etc.
  10. 10. For Watching & Listening

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