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COMPUTER HARDWARE - Coggle Diagram

- - - - Programs
      - Commands
      - User responses
  - - - Gamepads
      - Joysticks and Wheels
      - Light gun
      - Dance pad
      - Motion-sensing game controller
  - - - Download to computer
        Post pictures to Web
  - - - Optical scanner
      - Optical readers
      - Bar code readers
      - RFID readers
      - Magnetic stripe card readers
      - Magnetic-ink character recognition readers
- - - - Has a small footprint
      - Uses liquid crystal display
  - - - Sharpness and clarity of image
      - Higher resolution makes image sharper, displays more text on screen, makes some elements smaller
    - - Contains cathode-ray tube (CRT)
  - - - Larger screen size and richer colors than LCD, but are more expensive
  - - - Output device that produces text and graphics on a physical medium
      - Result is hard copy, or printout
      - Two orientations: portrait and landscape
    - - Forms characters and graphics without striking paper
      - Prints in black-and-white or color on a variety of paper types
    - - Sharpness and clarity
      - Measured by number of dots per inch (dpi) printercan output
    - - Color printer that produces photo-lab-quality pictures
    - - Prints text and graphics in high-quality resolution, ranging from 1,200 to 2,400 dpi
      - Typically costs more than ink-jet printer, but is much faste
      - High-speed, high-quality nonimpact printer
    - - Generates images by pushing electrically heated pins against heat-sensitive paper
  - - - Sophisticated printer used to produce high-quality drawings
      - Large-format printer creates photo-realistic-qualitycolor prints
      - Used in specialized fields such as engineering and drafting and usually are very costly.