Computer Science for IGCSE & O level - Hardware (Section 20 - No. 5)
In the context of a vending machine's embedded system, what input(s) is/are critical for the machine to function correctly?
The selected product from the keypad.
The amount of coins deposited.
The temperature inside the vending machine.
A signal from the internal clock
Giải thích
The selection and money is most important.