Features of a computer

Beschreibung

GCSE GCSE ICT Mindmap am Features of a computer, erstellt von daisy 453 am 07/05/2013.
daisy 453
Mindmap von daisy 453, aktualisiert more than 1 year ago
daisy 453
Erstellt von daisy 453 vor mehr als 11 Jahre
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Zusammenfassung der Ressource

Features of a computer
  1. Processor
    1. does all the calculations
      1. often measured in Ghz
        1. higher the number, faster it is
        2. Memory (RAM)
          1. temporary memory
            1. better graphics and videos require more RAM
            2. Hard drive size
              1. primary storage area
                1. measured in bites (gigabytes)
                  1. the bigger, more data can be stored
                  2. Wireless enabled
                    1. pick up wifi signals
                      1. connect to internet
                        1. slower than a cable due to distortion
                          1. can travel through lots of thick walls
                          2. USB connection
                            1. many peripherals (mice,keyboards) are connected this way
                              1. stands for Universal Serial Bus
                              2. Sound and graphics card
                                1. fix to the motherboard
                                  1. play, record and display graphics
                                    1. gamers usually have expensive graphics cards
                                    2. Optical drive
                                      1. CD or DVD drive
                                        1. useful for data transfer, backing up and archive
                                          1. allows you to install software and listen to music/watch films
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