1. A system for entering customer orders at point-of-sale stations, processing and recording said orders in a computer and returning processed order information to said stations for display, said system comprising: a. a keyboard terminal at each point-of-sale station, each of said keyboard terminals having 1. a plurality of manually operable keys for designating various sales items as ordered, 2. a plurality of display devices, each of said devices being associated with one manually operable item key, 3. means for generating identifying electrical signals specific to individual keys whenever one of said keys is actuated, and b. a computer interconnecting said keys and said associated display devices and having logic means operative in response to said key identifying signals to cause the display devices associated with the actuated item keys to display the number of sales items ordered.