Information storage and transfer system for digital computers

Claim 1

AN INFORMATION STORAGE TRANSFER SYSTEM FOR AN ELECTRONIC DIGITAL COMPUTER, COMPRISING, IN COMBINATION: (A) A HIGH SPEED STORAGE UNIT FOR STORING A PLURALITY OF DIGITAL WORDS AT A CORRESPONDING PLURALITY OF STORAGE LOCATIONS THEREIN, EACH OF SAID STORAGE LOCATIONS BEING IDENTIFIED BY A CORRESPONDING DIGITAL ADDRESS; (B) MEANS FOR WRITING INTO SAID HIGH SPEED STORAGE UNIT A PLURALITY OF OPERAND WORDS UPON WHICH OPERATIONS ARE TO BE PERFORMED; (C) A FIST REGISTER COUPLED TO SAID HIGH SPEED STORAGE UNIT FOR RECEIVING DIGITAL WORDS READ OUT OF SAID HIGH SPEED STORAGE UNIT; (D) A LOWER SPEED STORAGE UNIT FOR STORING A PLURALITY OF DIGITAL WORDS IN CORRESPONDING PLURALITY OF STORAGE LOCATIONS THEREIN, EACH OF SAID STORAGE LOCATIONS BEING IDENTIFIED BY A CORRESPONDING DIGITAL ADDRESS; (E) MEANS FOR WRITING INTO SAID LOWER SPEED STORAGE UNIT A PLURALITY OF OPERAND WORDS UPON WHICH OPERATIONS ARE TO PERFORMED AND A PLURALITY OF INSTRUCTIONS WORDS EACH CONTAINING AN OPERATION PORTION SIGNIFYING AN OPERATION TO BE PERFORMED, A HIGH SPEED ADDRESS PORTION SIGNIFYING THE ADDRESS OF AN OPERAND WORD STORED IN SAID HIGH SPEED STORAGE UNIT, AND AN ADDRESS MODIFICATION PORTION SIGNIDYING IN PART THE ADDRESS OF AN OPERAND WORD IN SAID LOWER SPEED STORAGE UNIT, SAID ADDRESS MODIFICATION PORTION INCLUDING AN ALGEBRAIC SIGN; (F) A SECOND REGISTER COUPLED TO SAID LOWER SPEED STORAGE UNIT RECEIVING DIGITAL WORDS READ OUT OF SAID LOWER SPEED STORAGE UNIT; (G) MEANS FOR WRITING INTO SAID HIGH SPEED STORAGE UNIT A PLURALITY OF PARTIAL ADDRESS WORDS WHICH, WHEN COMBINED WITH THE ADDRESS MODIFICATION PORTION OF A CORRESPONDING INSTRUCTION WORDS, WILL SIGNFY THE COMPLETEE ADDRESS OF AN OPERAND WORD IN SAID LOWER SPEED STORAGE UNIT; AND