The following questions pertain to the 7-bit two’s complemen…

The following questions pertain to the 7-bit two’s complement numbers X = 1011111 and Y = 0010101, for the computation  of  Z = X – Y. Note: (1)  When you type in your answers, please do not leave space,      e.g., 1100100 in 7 bits, -45 in decimal. (2)  Your answers to -Y, Z, and C  should all be in 7 bits, where C includes C7C6C5C4C3C2C1.