A COMPUTER SYSTEM FOR PREVENTING ILLEGAL ACCESSING ACTIVITY AND DETROY OR FILCH DATA

摘要

A computer system includes a security codes storage device placed in internal memory unit, reading additional code device, the first additional save device, the second additional save device, and the first interrupt producer device. The security codes storage device strores several secure codes, wherein each security codes represents a group of security level of instruction/data stored in a set of memory units. Reading additional code device is use to read a group of secure codes of instruction/data being reading from a goup of memory unit of the additional code read device. The first adding save device is use to save security code of the instruction which is function now. the second additional save device is use to save security code of the instructin which is reading now. The first interrupt producer device is use to produce interrupt when the security level of instrucion/data is not corresponded to prescript.