Industrial keyboard - an ordered set of keys used for manual control of a device or manual data input. Depending on the function performed, the industrial keyboard contains various types of keys - alphabetical, numeric, special characters, special functions, with user-defined meaning. The current models of computer keyboards have approximately 100 keys. Increasingly, computer keyboards incorporate additional controls (trackpad, additional buttons, knobs, sliders and others), control (LEDs) and others (e.g. memory card reader, USB ports).
