craizlee's right...
the kernel keeps a memory map of where all data loaded into memory is currently being stored...so it never needs to sequentially search through memory to find something
additional memory allows more processes to run simultaneously, as well as larger processes, and also prevents or at least minimizes hard-disk access for virtual memory (which really slows things down...)
general rule is that more memory always improves performance
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by: craizleePosted on 2005-03-23 at 20:10:09ID: 13618708
no, adding memory allows the computer to run more processes at once. If the ram is not being used due to lack of processes running, then it will not be searched.