Biased exponent
The “middle” exp. (01111111) will represent exponent 0
All exps starting with a “1” will be positive exponents .
- Example 10000001 is exponent 2 (10000001 -01111111)
All exps starting with a “0” will be negative exponents
- Example 01111110 is exponent -1 (01111110 - 01111111)
The largest positive exponent will be 11111111, about
The smallest negative exponent is about