Mrs. Susma had to travel a lot and usually come late night from her workplace. She is always worried to carry huge amount of cash in her purse as she purchase all her household things on the way.
(a) Suggest how she can avoid carrying cash, but still buy the things on the way.
(b) Suggest other utilities of smart card.

Explanation

(a) Use of Smart Card i.e., ATM.
(b) The utility of smart card is as follow :


1.Mobile communication: Smart cards are being used in mobile communications extensively throughout the world. Thus, people can communicate from one place to another easily.

2.Pay phones : Smart cards may be used for pay phones. Instead of inserting coins in telephone instruments, smart cards may be used.

3.Retailing : Smart cards are used for purchasing products just like debit or credit cards.

4.Health care : In a smart card, health related information of a person can be stored. Therefore, the person is not required to carry such information in physical form.

5.Banking : Smart cards are used in electronic
banking for direct debiting or crediting up to the stored amount.