I compared virtual RAM with real RAM on my Windows PC - here's what the numbers told me ...

Roommate's PC has 4 GB - yes FOUR - of 2133Mhz DRAM. Should I buy more of the same, get him up to, say, 20 with a 16GB pair?

RAM, or Random Access Memory, is one of those tech terms that has permeated the everyday lexicon, often used but rarely deeply understood. Whether you’re looking to upgrade your computer, buy a new ...