Binary Number:
(Normalised floating point notation using 5 bits for the mantissa followed by 3 bits for the exponent, both in two's complement binary)
-1
1/2
1/4
1/8
1/16
-4
2
1
0
1
0
0
0
0
0
0
( 1/2 ) x 2
^{0}
= 0.5