Which is used in security system and criminal investigations ?

سیکیورٹی سسٹم اور مجرمانہ تفتیش میں کون سا استعمال ہوتا ہے؟

Finger print reader

Bar code reader

processor

robots

Explanation

A fingerprint scanner is indeed a type of device that recognises and verifies a person's fingerprints in order to allow or refuse the use of a physical space or computer system.