====== 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