Coded character sets: history and development

029 Keypunch 48-character 64-character 8-bit byte 8-bit representation acronym alphabetic extenders assigned binary coded decimal Binary Representation bit code bit patterns bit sequence Block Boolean Bottom and Laft capital letters card column card hole patterns CCITT chain printer code positions code table Coded Character Set collate low collating sequence contiguous control characters CPU code criteria Criterion data transmission decided Decimal ASCII decision digit punches EBCDIC embedded example FIELDATA FORTRAN graphic characters H-duals hardware high-order bits Hollerith Card Code implemented Interchange ISO 7-Bit Code Katakana Keypunch Latin alphabetics Logical lower-case alphabetics lower-case shift magnetic tape meaning PL/I possible printer printing problem programming proposal PTTC PTTC/EBCD punched card code Quadrant shown in Fig signed numerics small letters Space character specials standards committee subset Synonym System/3 tion to/from Top and Laft translation relationship typewriter Version zero zone punches