题目内容
A bus is a pathway for bits representing data and instructions.
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VGA and DVI ports provide connections to monitors.
USB ports are used to connect keyboards, mice, printers, storage devices, and a variety of specialty devices.
Firewire ports are used to connect keyboards, mice, printers, and storage devices.
eSATA ports provide high-speed connections for external hard-disk drives, optical discs, and other large secondary storage devices.
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