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dictionary:bi-directional [2007/11/17 18:21] (current)
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|+||The method of describing a path for data flow, typically on a parallel printer port. Historically, parallel ports have been used by Centronics protocol printers with data only going to the printer. With the advent of several new protocols and hardware improvements, the parallel port can provide two way data flow for disk drives, scanning devices, FAX operations and even parallel modems. Data flows FROM the computer to the device and then from the device TO the computer|