a) Find the 2's complement Q2.1 representation of the decimal number 1.5, and determine the resulting quantization error. b) Find the 2's complement Q1.3 representation of the decimal number -1.8, and determine the resulting quantization error. c) Determine the decimal value of the Q3.2 2's complement number 110010. d) Determine the maximum and minimum values that can be represented by the Q4.2 format; also, determine the precision of the Q4.2 format