What Is the Difference Between a Serial and Parallel Port?

Serial interface (Serial port), mainly used for serial bit-by-bit data transmission. Common are RS-232 for general computer applications (using 25-pin or 9-pin connectors) and half-duplex RS-485 and full-duplex RS-422 for industrial computer applications.

Serial port

Serial port (Serial port), mainly used for

Serial port (Serial port), or serial port, serial port,

Difference between serial and parallel

It s called a serial port because it sends data

Serial port on the computer's motherboard: An interface for serial transmission. It can only transmit 1Bit at a time. The serial port can be used to connect an external modem, plotter, or serial printer. It can also connect to network devices such as routers and switches in a console connection, mainly used to configure them. Serial interfaces have been replaced by USB in consumer electronics; but in non-consumer applications such as network equipment, serial interfaces are still the main transmission control method.

1. terminal

2.Dial-up modems

3. Printers

4. Network equipment (router, switch, etc.)

5. Old-style serial interface mouse

6.Old style rocker

7. GPS receiver (NMEA 0183 standard is 4800 bits / second)

8. Old-style GSM mobile phone

9. Satellite phones, low-speed satellite modems, and other satellite transmission equipment, etc.

10.Programmable writers such as MCU and EPROM

11. Bar code scanner or other point-of-sale information system (POS) equipment

12.LED or LCD text display