A CENTRAL PROCESSING UNIT (CPU) BEING THE ELECTRONIC CIRCUITRY WITHIN AN AUTOMATIC DATA PROCESSING (ADP) MACHINE THAT CARRIES OUT THE INSTRUCTIONS OF A PROGRAM BY PERFORMING BASIC ARITHMETIC, LOGICAL, CONTROL AND INPUT/OUTPUT OPERATIONS SPECIFIED BY THE INSTRUCTIONS. USED SOLELY OR PRINCIPALLY WITH AUTOMATED DATA PROCESSING MACHINES. THE PRODUCT CAN BE INSERTED ONTO THE MAIN BOARD OF A CPU & PERFORMS A DATA PROCESSING FUNCTION & CAN ACCEPT OR DELIVER DATA IN A FORM(CODES OR SIGNALS) WHICH CAN BE USED BY THE SYSTEM. IT IS A PART OF A PROCESSOR UNIT FOR AN ADP MACHINE AND IS INSERTED ONTO THE MAIN BOARD OF A CPU

GENERAL INTERPRETATIVE RULES: 1 & 6 THE HARMONISED SYSTEM EXPLANATORY NOTES TO: CHAPTER 84 & HEADING 8473, CHAPTER XVI, NOTE 2 (B), CHAPTER 84, NOTE 5(C), CHAPTER 84, PARTS NOTE (C) (1) & (2) THE TEXT TO TARIC CODES: 8473 30 20