What is Bandwidth (computing)?

In computer networking and computer science, the words bandwidth,network bandwidth,data bandwidth,or digital bandwidth are colloquial and metaphoric terms widely used in textbooks as well as scientific papers, patents and standards to refer to various bit-rate measures, representing the available or consumed data communication resources expressed in bits/second or multiples of it (kilobits/s, megabits/s etc.).

Note that in textbooks on signal processing, wireless communications, modem data transmission, digital communications, electronics, etc., the word 'bandwidth' is used to refer to analog signal bandwidth measured in hertz — the original meaning of the term.[citation needed] Some computer networking authors[who?] prefer less ambiguous terms such as bit rate, channel capacity and throughput rather than the colloquial use of the word 'bandwidth' for bit/s, to avoid this confusion.

June 26, 2012

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