How are real numbers, whole and fractional part, indicated in binary?
This is one option where a fixed number of bits can be used for the whole number part and remaining bits for fractional part. Usually with most significant bit representing positive/negative, then 5 bits for whole number and then 2 for fractions of a whole (1/2 + 1/4). 2.5 = 000010 10 (SPACE BEING REPRESENTATIVE DECIMAL POINT).
Fixed number of bits for the significand or mantissa and a value for the exponent (or exrad) (R - radix has implied value of 2)
example:
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