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| Depends on what you are looking at. Generally it means how many bits a processor can handle per instruction, if I remember properly. Old computer equipment may have only had 8 bit data busses, meaning only 8 1's or 0's would travel down the 8 wires at one time....or you could think of it as water flowing down 8 water pipes. Over time, with processors getting better, the data bus (wires) got wider to 16 bit, and fairly quickly to 32 bits wide. Quite a large amount of software is written for a 32 bit system, but 64 bit is starting to see day light. I believe some Vista packages are 64 bit IIRC.
If you mean 32 bit processors or 64 bit processors, you also have to get software written to run on a 64 bit processor. Like I said, a lot of software is 32 bit, so a 64 bit processor is unnecessary...unless you also get software written to take advantage of running on a 64 bit system. | |
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