Assertion: byte's bit | /r/CapableOf | define 128 characters
Facets:
Source sentences:
text: A major reason that eight was considered the optimal number was that seven bits can define 128 characters (as against only 64 characters for six bits), which is sufficient for the approximately 100 unique codes needed for the upper and lower case letters of the English alphabet as well as punctuation marks and special characters, and the eighth bit could be used as a parity check (i.e., to confirm the accuracy of the other bits).