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SECTION I-4: Hexadecimal Number System
Base 16, or the Hexadecimal system is used as a convenient representation of binary numbers. It is much easier for a human being to represent a string of 0s and 1s such as 100010010110 as its Hexadecimal equivalent of 896H. The binary system has two digits 0 and 1. The base 10 system has 10 digits, 0 through 9. The Hexadecimal, base 16, system has 16 digits. In base 16, the first 10 digits 0 to 9, are the same as in decimal, and for the remaining 6 digits, the letters A, B, C, D, E, and F are used. The Hexadecimal number system is demonstrated below.
| Decimal | Binary | Hex |
|---|---|---|
| 0 | 0000 | 0 |
| 1 | 0001 | 1 |
| 2 | 0100 | 2 |
| 3 | 0011 | 3 |
| 4 | 0010 | 4 |
| 5 | 0101 | 5 |
| 6 | 0110 | 6 |
| 7 | 0111 | 7 |
| 8 | 1000 | 8 |
| 9 | 1001 | 9 |
| 10 | 1010 | A |
| 11 | 1011 | B |
| 12 | 1100 | C |
| 13 | 1101 | D |
| 14 | 1110 | E |
| 15 | 1111 | F |