Biometric security; Tongue ID Recognition (in Hindi)

Lesson 3 of 7 • 13 upvotes • 14:51mins

Ananya Tiwari

In this lesson I have described you in details what is PIN, ATM And how it came from choclate vending machine.also the first biometric and latest biometric features.how all this came into existence.who invented what in which year.why there is only 4digit PIN in ATM.how tongue recognition is highly advance.many more details.