Question

how is data from one computer to another sent explain

Answer 1

Data can be send through email , or messaging apps ..which ofc requires Internet . But offline sending also can be don't through Network Sharing available in my computer.
To do it ,
◆ Open My computer
◆ Select Network Sharing available at left side.
◆ It will scan for the PC's near it and then u can Share...

Note- The file which is to be send must be 9n D Disk ..or else it should be copied in the D disk