That mode of operation in which communication between two points
occurs in only one direction at a time. Contrast with half duplex
or duplex operation.
...
The exchange of routine business transactions in a
computer-processable format, covering such traditional applications
as inquiries, planning, purchasing, acknowledgments, pricing, order
status, scheduling, test results, shipping and receiving, invoi
...
The ratio, expressed as a percentage, of the total time a
functional unit or service is capable of being used or is available
to be used during a given interval to the length of the interval;
e.g., if the unit is not capable of being used for 20 minu
...
A method of data transmission which allows characters to be sent at
irregular intervals by preceding each character with a start bit,
and following it with a stop bit.
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A communication arrangement in which data from a source user may be
passed to a destination user over various real circuit
configurations during a single period of communication.
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