The Universal Serial Bus (USB) promises to make peripheral additions to PCs truly plug-and-play withou having to reconfigure the PC and without the need for another interface card. This data communication standard gives hardware manufacturers the tools to build keyboards, modems, storage devices and other peripherals that are ready to run the moment they are connected to a USB-equipped PC. The standard provides for data transmission rates of up to 12 Mb/s. Also, a USB peripheral device can requirest a certain amount of guaranteed bandwidth from the PC, thereby insuring that important data is transmitted in a timely fashion.
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