A pro of HCI technology is that its user friendly and a con about it is that you have to teach the user what to do or guide them!
It depends because if you put a stamp on the envelope. But I think that it will still get to the destination. I think that it will either get sent to the destination or not. But you never know what is going to happen.
Answer:
input devices?
Explanation:
Keyboard: It is used to give input through typing of the keys in keyboard. Mouse: It is used to give input through clicking mouse or selecting the options. System unit: It collectively defines the motherboard and CPU of the computer.