1. A peripheral processing system comprising a central processing system including a random access memory storing program information and a central processing unit operating in response to both stored program information and a data signal indicative of actuation of keyboard key to generate key station command information; the peripheral processing system further comprising a key station connected for communication with the central processing system, the key station including: a keyboard having a plurality of manually actuatable keys; an information output circuit connected to generate the data signal which is an indication of the actuation of a keyboard key, said signal including information indicative of the particular key that has been actuated, and to communicate the data signal to the central processing system; an information input circuit connected to receive the key station command information generated by the central processing unit, said key station command information including information for controlling the operation of the key station with respect to keyboard entry of information by an operator; and control circuitry connected to execute a key station function relating to entry of information through the keyboard by an operator in response to the key station command information received by the information input circuit.