Adding memory (RAM) to your computer can make a world of difference, with results that you’ll see right away.

Running out of memory can cause performance issues. Here's how to see how much memory is in your PC, and how fast it is.

Computer calculators mimic the functions of hand-held ones, including the memory function. This allows you to store a single figure for use in future calculations.

On laptops without soldered RAM, upgrading the memory is as simple as swapping out the RAM stick in its slot, an upgrade that can boost your laptop's speed.

I'm finding my W520 do be pretty adequate for some Photoshop and Lightroom tasks, but at times it will start to chug. When I bought it I added a 4 gig stick to the 4 it came with. There's an open ...