| 摘要 |
PURPOSE: To allow a data receiver side to obtain quickly desired data and to surely send/receive the data. CONSTITUTION: An electronic device is made up of a small sized electronic computer 11 and a display device 13. The small sized electronic computer 11 is provided with a key entry section 23 entering data, a communication section 22 sending data entered from the key entry section 23, and a control section executing the processing. The display device 13 is provided with a communication section 33 receiving data sent from the communication section 22 of the small sized electronic computer 11, a control section executing the same processing as the control section of the small sized electronic computer 11 based on the received data and a display section 32 displaying the result of data processing. A displayed image by the display section 32 is projected with magnification by an OHP or the like. The small sized electronic computer 11 sends key data to the display device 13 not depending on the result of data processing but every time of key operation. |
