PIN full form POSTAL INDEX NUMBER
PIN - Postal Index
Number (In case of Indian Post which is used generally in address)
There are many types of PIN but basically we use frequently two
pin our daily life first is for indicating someone's address which is known as
POSTAL INDEX NUMBER and secondly we use in ATM to identify some person in
banking process which is known as PERSONAL IDENTIFICATION NUMBER.
Personal Identification Number (PIN) is a secret
numerical code allocated to a user that can be used to authenticate the user to
a secured system. A PIN is used to validate electronic
transactions across multiple sectors, including banking, payment processing,
and communications.
It is used as a password in several entities including ATM Card,
Debit Card, Credit Card, Mobile SIM card etc. It is the number which is hidden
from the manufacturer or provider of a card and is known only to the user.
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