binary system definition
For the computer, the binary system is more natural because of its electrical nature (charged versus uncharged). In the decimal system, each digit position represents a value of 10 to the position's power. For example, the number 345 means: 3 three 100s (10 to the 2nd power). plus. 4 four 10s (10 to the first power). plus. 5 five 1s (10 to the zeroth power). In the binary system, each digit position represents a value of 2.