Computer Collection Library

The IBM 1400 Series

A family of second generation decimal character-oriented computers with variable word length. Each character was 8 bits, 6 for the character code, 1 to indicate the word boundary and 1 parity bit. The 1401 was the first, intended to replace punched card equipment. It was followed by the 1410 and the faster 7010 in the 7000 series. The 1400 series used the same size circuit cards as the 7000 series but slower RTL logic using germanium transistors. They had a high speed card reader, punch and line printer. Tape drives and disk were optional, as well as other equipment such as MICR check reader/collator, paper tape or serial communicatios gear with a remote typewriter terminal.


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