| 摘要 |
PROBLEM TO BE SOLVED: To provide the technique of a mobile memory improving convenience. SOLUTION: An information system 1 is provided with the mobile memory 2 and an information terminal 3 accessible to the memory 2. The terminal 3 has a display part 31 and an operation part 32. Desired information can be retrieved by making choice from plural choices displayed on the part 31 by being inputted to the part 32 by a user. Then, choosing information on the choices until reaching desired information is recorded in the database of the mobile memory to have the history of data input remain. Thus, when the user retrieves the information by using the terminal 3 next, sophisticated information providing for assisting the selection by the user, such as displaying a choice which is selected frequently, preferentially can be performed by utilizing the history of data input in the past within the mobile memory. As the result, the convenience of the system 1 using the memory 2 is improved. |
