Convert the following decimal numbers into signed magnitude, excess-127, 1’s complement, and 2’s complement number systems. Assume that 8 bits are used to store the numbers: (a) 60, (b) 0, (c) −120,...

Convert the following decimal numbers into signed magnitude, excess-127, 1’s complement, and 2’s complement number systems. Assume that 8 bits are used to store the

numbers:

(a) 60, (b) 0, (c) −120,

(d) −1, (e) 100, (f) −99.