QUESTION 1 Represent decimal number 7 using 8-bit binary in the following representations Unsigned binary: Signed magnitude: One's complement: Two's complement: Excess-127 (add bias value 12T): ASCII code BCD code: QUESTION 2 Represent decimal number -9 using 8-bit binary in the following representations: Unsigned binary: Signed magnitude: One's complement: Two's complement: Excess-127 (add bias value 127): BCD code: QUESTION 3 What decimal value is the 8-bit binary number 10011110 if it is interpreted as Unsigned number Signed magnitude representation: Two's complement representation Excess-127 representation