Do Output devices allow the user to enter information into the system or control its operation?

What is the algorithm for building a binary tree program

Can online classes such as gradpoint track your ip location like if im taking a final and i give somebody else my account and they take the final for me will it show where they are taking the final from? and can this be countered with a vpn

In my email i got a message it says a quick message and in message details on who its from its says nicole and under nicole is [email protected] -