If you look at the system requirements of commercial mapping software, you’ll see some ridiculously low memory requirements considering what’s standard in today’s computers. (When was the last time you saw a computer advertised with 16, 32, or 64K of RAM? That’s actually some of the stated minimum memory requirements for a number of popular mapping programs.) Every contemporary computer should have enough memory to work with most mapping programs.
However, memory is one of those things that you can’t have enough of. Although a computer with 128K of RAM is probably going to meet most of your mapping needs, more memory will improve performance. If you’re running Microsoft Windows XP, you should consider running at least 256K of RAM. Don’t fret over the different types of memory. Double Data Rate (DDR) memory chips are indeed faster than conventional, synchronous dynamic RAM (SDRAM) memory. But if you’re the average computer user doing typical mapping projects, you’re probably not going to notice the difference.
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