4
votes
2answers
393 views

What is the error called when numbers are confused with letters?

In serial numbers etc., there are many cases where you can't tell if the intended character is a number or a letter. For example, the number 0 and the letter O, the number 1 and the letters l or I, ...
58
votes
3answers
8k views

What is the error called when two letters are mistakenly swapped?

Generally this may be called typo but when particularly two letters of a word are mistakenly swapped, what is this error called? Some examples: teh > the fromat > format comptuer > computer