Transferring data is what we mean when we use the word ‘communication’. Data is to be sent
from the source to the destination, and it is necessary for the source and destination formats to
be similar, for compatibility between them to be ensured.
We have seen such data transfer in many contexts and in all these cases, a number of bits are
sent together i.e., 8 bits, 16 bits or 32 bits. is is ‘parallel communication’. All the bits are sent and
received together. Data transfer between registers in a processor is done this way. is is fi ne as long
as the source and the destination are in close proximity ...
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