(1) The measure of the amount of work performed by a device, such as a computer or printer, over a period of time, for example, number of jobs per day.
(2) In data communications, the total traffic between stations over a period of time.
(3) A measure of the amount of information transmitted over a network in a given period of time. It is generally measured in bits per second (bps), kilobits per second (Kbps), or megabits per second (Mbps). See also aggregate bandwidth.