题目内容
Most personal computers allow users to expand their systems by providing these on the system board.
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Which of the following can be used to connect several devices to the system unit and are widely used to connect keyboards, mice, printers, storage devices, and a variety of specialty devices?
These types of ports typically provide high-speed connections to specialized devices such as camcorders and storage devices.
Which of the following ports is used for connecting musical instruments to a sound card?
Which of the following ports provide high-speed connections for external hard-disk drives, optical discs, and other large secondary storage devices?
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