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COMPUTERS AND HISTORY
PUNCHEDCARD MACHINES AND APPLICATIONS
13 other sections not shown
accounting accumulator addition algebra ALGOL analog computer applications arithmetic automatic basic binary number binary-coded decimal card punch central processor characters circuit COBOL column complement computer memory converted Courtesy IBM Corp data processing data-processing system decimal number desk calculator devices digital computer disc document drum electronic equals example FORTRAN function Gray code holes individual input magazine instructions inventory ITEM-CODE keyboard keywords language logical lower dials machine machine language magnetic drum magnetic tape magnetic-tape MASTER-RECORD means memory location multiplier octal operation paper-tape parity parity bit perform position possible printed printer problem produce product register punched cards punched paper tape punched-card puter reading station record sequence shown in Fig shows signal simulator speed Statement steps storage stored subtraction switches symbols Table technique tion transfer unit updated upper dials values variables Venn diagram voltage wire word zero