What does an I/O device in a microcomputer mean?

In microcomputers, I/0 devices refer to input and output devices.

Input/Output (Input /Output, referred to as I/O) refers to the data transmission process that occurs between all operations, programs or devices and the computer.

Input/output devices refer to hardware that can transmit data to and from a computer. The most common I/O devices are printers, hard drives, keyboards, and mice.

Modern computer systems are equipped with a large number of peripheral devices, namely I/O devices. According to their different working methods, they are usually classified as follows:

1. Character device (character device), also called human-computer interaction device.

2. Block device, also called external memory, allows users to achieve long-term storage of programs and data through these devices.

3. Network communication equipment. Such devices mainly include network cards, modems, etc., which are mainly used for communication with remote devices.

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