(1) The data transfer speed in bytes per second (bytes/sec) within the computer or between a peripheral device and the computer. See transfer rate and space/time.
(2) The data transfer speed of a digital audio or video file. For example, music files are commonly compressed in the MP3 format at 128 Kbps, which means that each second of audio uses 131,072 bits (128 x 1024). Also called "bit rate." See binary values.
(3) The transmission speed of a network. For example, 100Base-T Ethernet is rated at 100 Mbps (megabits per second). Also called "bit rate." See space/time.
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