1. USB vs Serial
Serial: one bit at a time, in a sequence
- Most common standards is RS-232
COM: communication port, referred to physical RS-232 serial ports
- In most modern computer, the COM port is generally simulated
On board, there is a additional chip act as USB-to-serial converter
2. Network Address Start with //
Universal Naming Convention (UNC) path
- Used mainly for local area network, in Windows
- Why? provide a standardized way to access shared resources across a network
Advantage
- Native integration
- Permission control
- No need for drive mapping