LU03.L01 - Analysing an ATM with the IPO principle

I:

• Reader for the bank card
• Keypad, buttons (buttons)
• Touch screen

P:

• Hardware (processor, etc.)
• ATM software (PIN check, money transfer, etc.)
• Operating system

O:

• Reader for cash dispensing
• Screen
• Reader for the bank card for the return
• Printer for the receipt