IT is used a lot in banking. To begin with all information that the bank has is kept on Databases e.g. Personal details, Amount of Money in each account etc.
An ATM machine is used as a sort of mini bank. In order to use an ATM you must have either a debit or bank card. You must then enter a pin and then you will be allowed to access your bank account. The ATM will then scan threw their database in order to find you account. Once you have entered your bank account you can access your balance and/or take money out.
Online banking is very useful for people who check up on their balance often.
It can save a lot of time as you will not have to go to the bank or a cash machine to check your balance. You can also keep an eye on how much money you have been spending, meaning you can set your self a budget.
While online banking can be extremely useful, it can have big disadvantages.
An example of a disadvantage would be if you accidently forgot to sign out of your bank account. Somebody could come along and be able to steal all of your bank information, check your balance etc.
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