System protection apparatus
作者： Harmon Sherril A , White Emery A , Patterson Wallace N
DOI:
关键词: Memory buffer register 、 Computer network 、 Status register 、 Memory protection 、 Word (computer architecture) 、 Computer science 、 Memory management 、 Computer hardware 、 Computer memory 、 Memory data register 、 Memory address register
摘要: APPARATUS IN A COMPUTER SYSTEM FOR PROTECTING OPERATING PROGRAMS AND RELATED DATA STORED THE MEMORY PREVENTING UNAUTHORIZED ACTIONS WHILE AN UNDEBUGGED PROGRAM IS BEING EXECUTED BY SYSTEM. STATUS REGISTER PROVIDED ARITHMETIC UNIT STORING PROTECTION WORD. ANOTHER TO IDENTIFY GROUP OR VOLUME OF STORAGE LOCATIONS WHOSE DEFINED WORD REGISTER. EACH TIME ADDRESSED, APPLICABLE ADDRESSED LOCATION CHECKED. DEFINES ONE PLURALITY STATES LOCA- TION. LOGIC GATES ARE WHICH RESPONSIVE WORD, TYPE OPERATION OTHER CONDITIONS DETERMINE IF VIOLATION HAS OCCURED. UPON DETECTION VIOLATION, ACCESS INHIBITED EXECUTION ERROR ROUTINE INITIATED.
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