Question

The right 23 bits of the IEEE 754 representation for the decimal number -1 are

Answer 1

Answer-

-1 in binary is represented as -1.00 = -1.00 x 2⁰

the 23 bit mantissa M= 0.00000000000000000000000 ( all zeroes)

the biased exponent E' = E+ 127 = 0+ 127 =127 = 01111111

the number is negative, therefore sign bit is 1.

therefore the IEEE single precision (32 bit) is

sign (1 bit)	Biased exponent ( 8 bit)	Mantissa (23 bit)
1	01111111	00000000000000000000000

so the mantissa bits are all zeo hence, option a is correct.