Serial Port

1. IS A TYPE OF CONNECTION ON PCS THAT IS USED FOR PERIPHERALS SUCH AS MICE, GAMING CONTROLLERS, MODEMS AND OLDER PRINTERS.

2. IT IS SOMETIMES CALLED A COM PORT OR AN RS-232 PORT. THERE ARE TWO TYPES, DB9 A 9 PIN CONNECTION AND DB25 A 25 PIN CONNECTION

3. IT CAN ONLY TRANSMIT ONE BIT OF DATA AT A TIME.