Multiple choice

The decimal value 0.5 in IEEE single precision floating point representation has

  1. fraction bits of 000...000 and exponent value of 0

  2. fraction bits of 000...000 and exponent value of -i

  3. fraction bits of 100.000 and exponent value of 0

  4. no exact representation

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

(O.5)10 = (1.O)2 × 2-1 So, exponent = -1 and fraction is 000 - - - 000