I believe the answer is: Book value
The number in the book value is made after considering two things; the price when we acquire the asset and the amount of depreciation or appreciation.
Selling an asset on book value is the bare minimum needed for the sellers to not experiencing a financial loss
The part of the computer that provides access to the internet is the modem.
If you are talking about physically on the computer, it is the Data Port. ( That's the cable used to connect to the computer )
Hopefully this helps! Have a nice day