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Line printers. We couldn't use mixed cases until dot matrix or daisy wheel printers came along. If the question is why upper case instead of lower case, there
by baking 3y ago
Line printers. We couldn't use mixed cases until dot matrix or daisy wheel printers came along.
If the question is why upper case instead of lower case, there is a long tradition of handwritten uppercase only labels in drafting and mechanical drawing when precision is required.
- kps 3y agoThe IBM 1403 line printer (1959) had an available chain with 120 characters including both upper and lower case and various special characters.