Terminal equipment is divided into two categories: general purpose and special purpose. General-purpose terminal equipment refers to general-purpose computer input and output equipment with communication processing control function. The type and amount of configuration depends on the need. Usually available input and output devices are: keyboard, card reader, paper tape reader, optical character or mark recognition machine, speech recognition machine, serial or line printer, display, card punch, paper tape punch, speech synthesizer, floppy disk drive, tape drive, disk drive, etc.
A device that inputs programs and data to a computer or receives processing results from a computer output through a communication facility. Terminal equipment is usually set up in a convenient place that can use communication facilities to connect with distant computers, which is mainly composed of communication interface control devices and special or selected input and output devices. A system in which a large number of dispersed terminal devices are connected to a computer through a communication facility is called an on-line system. When it is necessary to input and output a small amount of frequent information to the computer, or when it is necessary to query and retrieve the computer information base, the flexible keyboard display terminal device is often used.
Many, there is a wireless card (regardless of the internal and external) are counted, such as smart phones, LCD TVS with WLAN function, WIFI Internet access PSP game consoles, notebooks and so on.
Desktop if you plug a USB wireless card also counts as a wireless terminal.