IBM 1400 series
The IBM 1400 series was a family of mid-range buisiness computers that IBM sold in the early 1960s as a replacement for unit record equipment. 1400 machines stored information in magnetic cores as variable length character strings terminated by a special flag. Arithmetic was performed character-by-character. Input and output was on punch card, magnetic tape and high speed line printers. Disk storage was also available Members of the 1400 series included: Programming languages for the 1400 series included Autocoder (assembly language), COBOL, FORTRAN and Report Program Generator (RPG). The 1400 series was replaced by System/360 and low end machines like IBM System 3, System/32, System/34, System/36, System/38 and AS/400. The 1400's were officially withdrawn in the early 1970s.
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