A fingerprint scanner is a small electronic device that guards your computer from intruders. You place your fingertip on the reader; it scans your fingerprint and compares it to the prints stored in ...

Sometimes, you may need to turn a physical document into a digital file, either to keep a copy on your computer or send it to someone via email. If you have an all-in-one or multi-function printer, ...

What do you do when the "Check Engine" light comes on in your car? A lot of people just ignore it; after all, that sensor is notorious for lighting up for no reason. On the other hand, it could ...