👉👉 The binary system is a number system that uses only two digits, 0 and 1. Each digit in a binary number is called a bit. Unlike the decimal system, which is based on powers of 10, the binary system is based on powers of 2. For example, the binary number 101 represents 1×2² 0×2¹ 1×2⁰, which equals 5 in decimal. Computers use the binary system because it's easy for electronic circuits to distinguish between two states: on (1) and off (0). Binary numbers are essential for computing, as they for