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The Computer Journal 1961 3(4):202-210; doi:10.1093/comjnl/3.4.202
© 1961 by British Computer Society
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Considerations in Choosing a Character Code for Computers and Punched Tapes

H. McG. Ross

Ferranti Ltd., 21 Portland place, London UK

The considerations affecting the choice of a code for alpha-numeric characters are discussed, the primary aim being to assist processing of commercial data in a computer system. A basic 6-bit code is obtained from which 7- and 8-track punched-tape codes are derived; minor variants of these may be realized on existing data-preparing and printing equipments. The scheme permits future development in a variety of directions, including a compatible code for extended alphabets.


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