| 摘要 |
PURPOSE:To immediately retrieve the substance of targeted managing information and to perform registration or deletion by enabling immediately input and output the targeted managing information setting the managing number of an ID number, etc., as a key. CONSTITUTION:The content (record pointer RP) of a number managing table is referred setting the managing number of the ID number, etc., as a relative number at the time of performing retrieval. When it shows a value 0, it is judged as unregistration, and when it shows the value other than 0, it is judged that the managing information is recorded. The substance of the managing information in an external memory device 3 is read by the RP. A function based on requested specification is executed. The RP is referred setting the managing number as the relative number at the time of performing new registration or updating the managing information. When the value shows 0, it is assumed as the new registration. The RP in a null managing table is taken out, and is stored in the managing number table. A null managing point is decreased by one. The managing information is recorded at a position shown by the RP. The managing information is stored at the position next to the one shown by the null pointer when performing the deletion. The corresponding number of the number managing table is set at 0, then, 1 is added on the null managing pointer. |
