Question

2) We need to keep the PIN number of the debit card secret. ...give scientific reason
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Answer 1

Answer:

(1) Debit card is used to withdraw our money from the bank account. (2) During withdrawal, we have to use our PIN number. (3) If this PIN number is known to anybody, he or she can withdraw all our money and loot us. (4) Therefore, to prevent such financial loss, we have to keep the PIN number of the debit card secret.

Explanation:

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