Computer buyers now have many more options for purchasing personal computing devices, including the Microsoft Surface tablet. (Nigel Treblin/Getty Images) Forget about the gigahertz. Don’t worry about ...

Ever notice how there are a lot of acronyms for computer stuff? API, BIOS, CPU, DOS (not to be confused with DoS), DRAM, GPU, HDD, RAM, ROM, and a whole lot more... It can get downright overwhelming.

Pop quiz: How often do you need to restart your computer for best performance? Here’s a hint. If you only do it when your machine crashes or needs to update, that’s not enough. Tap or click for my ...