Lecture Exercise 2

In this exercise, we had to think of ideas for our upcoming project, Abstraction processes. I thought of sockets, but it is already quite simple to begin with. So I tried to abstract a drink vending machine. Then, my friend asked me about an ATM machine, but I didn't really know how to draw a proper ATM machine. The other two ideas are 'no talking/phones' and 'no multiplugs' as these are common problems in school.