| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that it is not economical that an individual prepares a personal computer which is expensive and complicated in maintenance for limited work although a normal personal computer is used while a tablet type portable telephone has almost all IT functions because a current tablet type portable telephone is very difficult and unpractical due to the size thereof when coming into work of an office document preparation, or the like regardless of having almost all IT functions.SOLUTION: A CPU performs work by using a keyboard 3 and a display 4 whose sizes are enough large through a body 1 because a tablet type portable telephone 5 has enough performance. If the improvement of a processing speed is desired, a memory of the body 1 is used, an auxiliary storage device of the body 1 is used to store data of large capacity, and for transfer, a line for the tablet type portable telephone is not used, but an optical line is used from a LAN terminal of the body 1. |
