Rust for Python Developers - Unsigned, Signed Integers and Casting
This story was originally published on Medium
Follow me:
4-bit Signed Binary Number Comparison
The following table shows the comparison of three signed number representations.
| Decimal | Signed Magnitude | Signed Ones' Complement | Signed Two's Complement |
|---|---|---|---|
| +7 | 0111 | 0111 | 0111 |
| +6 | 0110 | 0110 | 0110 |
| +5 | 0101 | 0101 | 0101 |
| +4 | 0100 | 0100 | 0100 |
| +3 | 0011 | 0011 | 0011 |
| +2 | 0010 | 0010 | 0010 |
| +1 | 0001 | 0001 | 0001 |
| +0 | 0000 | 0000 | 0000 |
| -0 | 1000 | 1111 | - |
| -1 | 1001 | 1110 | 1111 |
| -2 | 1010 | 1101 | 1110 |
| -3 | 1011 | 1100 | 1101 |
| -4 | 1100 | 1011 | 1100 |
| -5 | 1101 | 1010 | 1011 |
| -6 | 1110 | 1001 | 1010 |
| -7 | 1111 | 1000 | 1001 |
Open Source Your Knowledge: become a Contributor and help others learn. Create New Content