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System Summary of IBM 7030
Natural Data Units
Choosing a Number Base
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accumulator operand address modification arithmetic unit automatically base address binary addressing branch instruction buffer byte central processing unit channel Chap characters circuits complete control word count cycle decimal digits desired divisor double-length efficiency example exchange executed exponent flag extra fetch field fixed-point fixed-point arithmetic FLP arithmetic FLP number FLP operations fraction functions increment index address index register index value index word indicator indirect addressing input input-output units instruction counter instruction formats instruction set instruction unit integer interrupt system length LOAD logical look-ahead unit machine mask bit memory area memory operand memory units memory word mode modifier multiplication multiprogramming natural data units needed operand address operation code output performance problem program-interrupt progressive indexing pseudo radix record refill result sequence shift sign bit signal single specified speed storage stored subroutine subtraction supervisory program tape tion variable-field-length zero zero divisor