Amber Turner
Mind Map by Amber Turner, updated more than 1 year ago
Amber Turner
Created by Amber Turner over 6 years ago



Resource summary

  1. Output
    1. These get information out of the computer and tell the user what is happening within the computer
      1. Printers
        1. Uses to print text and images straight from the computer
        2. Speakers
          1. Output sound waves
            1. Some computers have built in speakers
        3. Input
          1. Input Devices are used to control the system or provide it with data so it can work
            1. The first computers used punch cards to input their data
              1. Pieces of card which contained holes to represent binary digits
              2. Some Examples
                1. Keyboards
                  1. Concept Keyboards
                    1. These are used in shops where the user can select one option from a number of standard options
                    2. QWERTY Keyboards
                      1. QWERTY Keyboards are the most common used
                        1. Most common way of entering information into a computer
                      2. Ergonomic Keyboards
                        1. The keys are positioned in a certain way for maximum comfort
                          1. Reduces risk of RSI - "repetitive strain injury"
                      3. Mouse
                        1. Popular way of controlling computer
                          1. Uses sensors to track the position of the the mouse and this moves the pointer on the screen
                          2. Touchpad
                            1. Popular way to input on laptops when mouses may be inconvenient
                              1. Some people find it harder to use than a mouse
                            2. Tracker ball
                              1. Moves mouse by rolling the ball on top
                                1. Reduces RSI
                            3. Graphics Tablet
                              1. Used when controller needs fine control over the pointer
                                1. Can be used by graphic designers, architects and photo editors
                              2. Scanners
                                1. Barcode scanner
                                  1. Used in shops, factories and manufacturing industries to read barcodes
                                  2. Flat bed scanner
                                    1. Used to scan images text from printed documents
                                  3. Microphone
                                    1. Record sound waves and convert analogue signals into digital signals which can be saved onto a computer
                                      1. Some laptops have microphones built in
                                    2. Sensors
                                      1. Sensors constantly check their surroundings for specific signals
                                        1. Some examples
                                          1. Light sensors Proximity Sensors Pressure sensors Sound Sensors Motion Sensors Temperature sensors
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