What goes where!

These Two Ports Are For Your Mouse And Keyboard Usually Blue is for your keyboard and green for your mouse.
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This is your VGA port where you would hook up your monitor.
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This your mini audio port is for Audio (PC Speakers) sound.
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This is your parrallel port is for printer and maybe an older model scanner.
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This is your USB port where you can install a printer,scanner,palm pilot,mouse,keyboard, or a game controller. You usually get four ports for multiple devices.
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This is your Erthernet port you will use this to hook up to a network or your internet providersuch as DSL or Cable.
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This is your modem port for dial up internet and if you have fax applications you can fax documents from PC to Fax.
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This is your firewire cable much faster than a usb cable for transfering data.