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The Nature of Data Processing
Introduction to Computing Equip
11 other sections not shown
application Autocoder B-address register B-field blank block diagram Branch If Indicator carriage CDMMENTS CDUNT central processing unit CHAR character position checking COBOL columns contains core storage d-character data processing deck digits disk storage DPERAND LINE DPERATIDN error example executed field flow chart FORMAT Mnemonic FORTRAN gram high-order position index register inventory label last card loaded loop machine machine language magnetic tape master file master record Mnemonic Op Code Move Characters multiply object program operation code picking sequence print area print storage printer procedure processor product number punched cards Read a card REVIEW QUESTIONS routine sales cards salesman sequential file Set Word Mark shown in Figure source program space specified stored struction subroutine summary symbolic programming Symbolic Programming System tape mark tape unit tion transaction unit price Write Disk written zero zero suppression zone bits