SYSTEM FOR EXECUTING A PROGRAM.

摘要

In a system wherein a program on an external memory medium (1) is loaded into a memory (3) and then a processing unit (4) executes a desired process according to the loaded program, a method for executing a program and a system therefor which prevent a miscopied program from being executed. A code in addition to the program is stored in the external memory medium (1) and the code is read out when loaded in to the memory (3) and compared with a special code preset for the system to judge whether or not the program can be executed.