INFORMATION PROCESSOR OR INPUT DEVICE

PURPOSE:To reduce the size of an input device and to improve its portability by diving the input device, using one of the divided parts as a connection case and the other as a keyboard and electrically connecting between the connection case and the keyboard. CONSTITUTION:The input device is divided into front and rear parts, the rear part is used as the connection case 12 and the front part is used as the keyboard 2. The input device is provided with a large display device 5 rotatably fixed to the case 12, a compact liquid crystal display device 6 smaller than the device 5 and arranged on the surface of the keyboard 2, a control board stored in the keyboard 2 and having an internal battery, and an external storage device 7 arranged between upper and lower cases constituting the keyboard 2 so as to store a prepared document or the like. A connector 20 electrically connects between the case 12 and the keyboard 2. In the case of carrying the device, only the keyboard 2 including the devices 6, 7, etc., is separated from the case 12 and carried.