Bandwitch

I'm assuming you mean bandwidth.

Bandwidth (as commonly used in the computer world) is simply a measure of how fast data flows over a given transmission path. Available bandwidth is determined by 1. the equipment used to transmit the data (i.e.modem, NIC, router, etc.); 2. the communication medium used (i.e. copper, optical fiber, wireless); and 3. the type of communication circuit (i.e. phone line, T1, ISDN, etc.).

Hope this answers your question.

a Little bit more :)
56k modem has a bandwidth of <56,000bytes
isdn has a bandwidth of < 128,000 bytes
DSL has a bandwidth from 256,000 - 1,500,000 bytes depending on service provider/ medium.
T1- has I think 24 1,000,000 pipe lines
networking (not internetworking) has 10meg(10million)/100(100 million)/1000(billion referred as giga) bytes per second transfer rates.
Older pc's serial ports were normally ran at 9600 bytes of dtata per second. Bandwidth is basically how much you can move per second. Even hard disks have ratings to this affect and normally everything you read are under ideal situations and actual throughput will vary.

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