Terminal generally refers to the personal computer operated by the user on the network, and is a term derived from the original computer network. Strictly speaking, it does not include relay devices such as LAN switches and routers. In a system where many people use a large computer in the middle, the device of the large computer used by each user is called a terminal. Personal computers are now commonly referred to as terminals.
Terminal computer, also known as terminal equipment, is the most peripheral device in the computer network, which is mainly used for the input of user information and the output of processing results.