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22 lines
366 B
Markdown
22 lines
366 B
Markdown
---
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title: "bus"
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aliases:
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tags:
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- cosc204
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---
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- data bus
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- address bus
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- control bus
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- conmmunicate between parts of the computer
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- only one transmitter at a time
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- only addressed device can respond
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- 2 levels
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- internal
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- external
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- memory size is dependent on bus size
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- 2n bytes for n-lines on the address bus
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- 2^8=256B, 2^16=64KB, 2^32=4GB, 2^64=16EB |