2_Communication inside and outside the computer USB and RCA

2_Communication inside and outside the computer USB and RCA

1. USB port

   • Universal Serial Bus
   • Devices
     • Same connector type
     • Up to
       • 127 simultaneously
   • Allows
     • Computer
       • Automaticaly recognizes device
         • Configures it
           • Plug and play
     • Multifunction peripheral
       • Multiple task at once
       • Examples
         • MPFs
         • Fax
   • Transfer types
     • Control transfer
       • Start request/answer
     • Isochronous transfer
       • Continuous communications
         • Controler and device
     • Continuous transfer
     • Volume transfer

2. RCA port

   • Colors
     • Yellow
       • Video channel
     • White
       • Left audio channel
     • Red
       • Right audio channel
   • Used on
     • Video components

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