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1016 Question

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