Final answer:
The EIA/TIA 232 protocol, also known as RS-232, is concerned with serial communication between devices.
Step-by-step explanation:
The EIA/TIA 232 protocol, also known as RS-232, is concerned with serial communication between devices. It is commonly used for connecting computers to peripheral devices such as modems, printers, and serial ports. This protocol defines the electrical, mechanical, and functional characteristics of the interface, ensuring compatibility and reliable data transmission.