A com port was originally intended for communications. Back during that time period, it referred to modems and crude networking. Serial means that the data is sent "end-wise" one bit at a time. That is opposed to parallel which means one or more entire bytes are sent at a time.
yes
A com port can also be called a serial port.
Com port
Serial Port
COM 1 means SERIAL port number 1
In the past external modems connected to the COM (or serial) port. However, most modern external hardware is USB these days, modems are no exception.
COM means then Serial Port.
You can have a USB Serial (COM) port and you can connect PCs together using Serial (COM) port.
A com port is the old type of serial port on a PC. They are numbered, and some PCs had two or more. Someone might use com port one for a mouse and com port two for a modem.
COM
It's called a COM port.
A COM port is the serial interface on an IBM PC-compatible computer. Through this interface, communication and information transfers in or out in an efficient manner.
COM