In today's world computers use the binary system to interpret data and instructions. These are translated by compilers and programs as sequences of 0's and 1's according to agreed codes, and in this form the computer handles them, meaning 1's a pulse of electricity and 0's a lack of it (in fact a pulse with much lower voltage). With the technology available at the time of major development of computers, I can understand that they just could make a difference between 0's and 1's by then,...