Definition
Binary numbers are numbers expressed in the binary numeral system (i.e., base-2 numeral system). Computers use binary.
Introduction
Binary number systems represent numbers using two symbols: 0 or 1. Each symbol is a digit. The term bit is a portmanteau of binary digit. Eight bits is called a byte.
The value of each column is multiplied by powers of 2.
| Column | Value |
|---|---|
| Right-most column | 1 |
| Second column from the right | 2 |
| Third column | 4 |
| Fourth column | 8 |
| Fifth column | 16 |
Convert binary numbers to decimal numbers
sdfs
Related terms
Decimal number
Hexadecimal number
Further reading
Carrier, Brian. Computer foundations (chapter 2). In File system forensic analysis. Boston: Pearson Education (2005): 17-46.