If we want the ALU to compute the function y-1, what should be the...

If we want the ALU to compute the function y-1, what should be the value of the zx

(zeroed) and nx (negated)?

Select one:

a. zx = 1, nx=1

b. zx = 0, nx=1

c. zx = 1, nx=0

d. zx = 0, nx=0

Is "a" the correct answer?