Abstract
This chapter contains a variety of topics, especially a history of numbers, justification for binary bits, good number representations, the history of `word', `bit' and `byte', a history of character codes, a variety of decimal codes and Roman numbers.
Keywords: History of number representations, why use 0s and 1s, good and bad representations, history of byte, kilobytes and Megabytes, character codes, decimal codes, Roman Numbers, scaling invariance.