Access device null of postscript die

摘要

PURPOSE: To correct and update data stored in a read after write type storage area and to easily manage updated data by sequentially writing updated data in a searched unwritten area and reading out data from a searched written area. ;CONSTITUTION: The unwritten area following the written area where data is written last out of data storage areas of the read after write type storage medium is searched by a write means of a CPU, and updated data is sequentially written in the searched unwritten area. After this write, the written area where data is written last out of data storage areas is searched by a read means of the CPU 11 to read out data from the searched written area. Consequently, the latest updated data is read when data is read out from data storage areas. Thus, data stored in the read after write type storage medium is corrected and updated by an operator, an the updated data of the read after write type storage medium is easily managed.;COPYRIGHT: (C)1993,JPO&Japio