28
18.3.2003
Copyright Teemu Kerola 2003
IEEE 32-bit FP Values (9)
1.0 =  +1.0000 * 20  = ?
exponent
8 bits
mantissa or significand
23 bits
sign
1 bit
0
000 0000 0000 0000 0000 0000
23.0 =  +10111.0 * 20  = +1.0111 * 24 =?
exponent
8 bits
mantissa or significand
23 bits
sign
1 bit
0
011 1000 0000 0000 0000 0000
1000 0011
4+127=131
0111 1111
0+127 = 127
0x3F800000