Convert a Negative Binary to Decimal
For the signed binary numerical system the left most bit represents the sign bit. If it is 0 then the number is a positive number otherwise it is a negative number.
Steps
- For example let us convert 1010 to decimal. Invert all the bits of the binary number.That results in 0101.
- Add 1. This gives 0101 + 0001 = 0110
- Convert the binary number to decimal. This gives us 6.
- Decimal equivalent of 1010 is -6.
Tips
- Practice. Try converting the binary numbers 1111, 1110, and 1011. Respectively, their decimal equivalents are -1, -2, and -4.
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