In the computer, all data are represented as binary digits (bits), and eight binary digits make up one byte. For example, the upper case letter A is 0101001. Numbers however can take several forms.

In the late 1930s, Claude Shannon showed that by using switches that close for "true" and open for "false," it was possible to carry out logical operations by assigning the number 1 to "true" and 0 ...

The formulation of the binary number system essentially laid the groundwork for digital circuitry, computers, and the field of computer science, as we know it in today’s technologically-advanced world ...