Add the following numbers in binary using 2's complement to represent negative numbers. Use word length of 6 bits (including sign bit), and show if overflow occurs. a) 12 (-5) b) (-12)+ 11 c) 22 11 Question #12 (4 marks): For error detection in a 3-bit data (XYZ): a) Design an odd parity generator b) Design an odd parity checker