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What is the difference between parallel & serial communication?

April 26, 2017communication difference parallel serial

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What is the difference between parallel & serial communication?

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The signals transmitted through the input/output port of a computer device, may be transmitted in parallel or in serial mode. In parallel mode, each bit of a byte, is transmitted through a set of channels. In serial mode, the various bits of data are transmitted one after another, low order bit first. RS232 is an example of serial communications. An example of parallel commuunications is the Centronics type port used to connect a printer to a PC.