terminal 终端
Data input-output device,usually made up of a monitor(display),keyboard,mouse,or touch screen.It is the point at which a user is connected to and communicates with a computer or a website through a network.Three basic types of terminals are dumb terminal which has no built-in data processing capabilities and serves only to send and receive data.Smart terminal has limited data processing capabilities.Intelligent terminal has substantial data processing capabilities due to inbuilt processor and memory.