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Punched cards. The 80x12 format "IBM card" was introduced in 1928! [1] [1] https://en.wikipedia.org/wiki/Punched_card#IBM_80-column_format_and_character_codes
by Sharlin 6y ago
Punched cards. The 80x12 format "IBM card" was introduced in 1928! [1]
[1] https://en.wikipedia.org/wiki/Punched_card#IBM_80-column_format_and_character_codes https://en.wikipedia.org/wiki/Punched_card#IBM_80-column_for...
- nevi-me 6y agoAnd there is/was an 8 character limit on COBOL variables.