1.

a) Enter an expression that will evaluate as true when bit 4 of x is 1 and false otherwise. Assume an 8-bit data word.

Answer:

b) If we modified the IEEE-754 representation of a floating-point number by increasing the number of bits in the exponent and decreasing the number of bits it the mantissa by an equal amount.

How would this affect the range of representable numbers? (Increase/Decrease/no change)

How would this affect the accuracy of the presentation? (increase/decrease/no change)