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The full form of PIN in ATM transaction is

  • A.Permanent Information Number
  • B.Personal Identification Number
  • C.Professional Identification Number
  • D.Personal Index Number

Answer: B

Correct answer: Personal Identification Number

PIN is the Personal Identification Number - the secret code that, together with the card, authenticates the holder. The card is something you have and the PIN something you know, which is what makes the pair two-factor authentication.

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