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 ...

But three computer programs used together can give fingerprint grading unprecedented consistency and objectivity, according to Penn State researchers. "People leave behind all kinds of fingerprints, ...

While biometric fingerprint scanners are commonplace on smartphones and laptops, desktop computers don’t typically come with this technology that allows you to log in securely using your fingerprint.