Control keyboard layout for computer-based training and instruction

摘要

A control and operating keyboard for pedagogic networks including a lecturer position equipped with the control keyboard and several participant positions equipped with a computer and, as the case may be, designated by numbers or letters during computer-controlled instruction, in which the control keyboard comprises a matrix of numerous keypads to each of which is assigned an opening in the front plate of the control keyboard and in which in addition each participant position is assigned a key on the control keyboard, in order to make a connection between the lecturer position and each participant position. A device is provided and functions to activate only so many control and operating keys on the keyboard as there are occupied participant positions connected to the lecturer position, while the other keys on the keyboard are made non-operable inactive keys.