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overview
 Introduction to Serial Communications
All IBM PC and compatible computers are typically equipped with two serial ports and one parallel port.
Although these two types of ports are used for communicating with external devices, they work in different ways.
A parallel port sends and receives data eight bits at a time over 8 separate wires.
This allows data to be transferred very quickly; however, the cable required is more bulky because of the number of individual wires it must...
preview:
http://www.taltech.com/resources/intro-sc.html
10/30/2006
Tags: serial
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