LU03.A01 - Analyse an ATM with the IPO principle

Initial situation

An ATM has the following function, among others:

Read in and issue an ATM card
Enter PIN code (3 attempts).
Have a choice of menu items (log out, view account balance, withdraw money, log out)

Task

Mentally go through 2-3 interactions at an ATM and categorise the functions according to the IPO principle. Which functions belong to the input, which to the output and which to the processing.

Framework conditions

What	Description
Product:	Your answers are written.
Time:	10 min.
Social form:	Individual or partner work
Tools:	Office or paper/writing utensils, script