Solved 64 bit instruction set

January 12, 2013 at 08:15:22
Specs: General, Any

If processor has 64 bit instruction set it means address bus is 64 bit or it means 64 bit data bus or what?

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#1
January 12, 2013 at 08:26:51
✔ Best Answer

http://en.wikipedia.org/wiki/64-bit...

If this is homework you would be wise to not just copy the article.


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#2
January 12, 2013 at 08:37:22

When a 64 bit CPU is said to have a 64 bit instruction set it means that it has a 64 bit instruction set. Internal data and address registers will also be 64 bits. The sizes of the external data and address buses is largely irrelevant.

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#3
January 12, 2013 at 09:29:34

because instruction set can have 2 parts: operand and opcode. So 64 bit instruction set means opcode is now 64 bit? or operand is now 64 bit?

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