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Buses

Posted on 1998-05-18
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Last Modified: 2010-04-12
Can anyone tell me what a bus actually is? I know it is the link between the processor and memory and disk, but what actually is it? i.e. a wire, a piece of hardware, etc.
Cheers.
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Question by:PiersBull
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alexo earned 50 total points
ID: 1135464
Actually?  Well actually a bus consists of traces on the motherboard (the equivalent of wires) and ICs (chips) that regulate the bus protocol (and they consist of many transistors which themselves are nothing more than impure silicon...)
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by:PiersBull
ID: 1135465
What is the bus protocol?
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by:alexo
ID: 1135466
Well, there are a lot of devices on the bus.  The bus protocol says which devices can "talk" to each other and when.  A code of conduct of sorts...

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by:PiersBull
ID: 1135467
Cheers.
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