IMPORTANT: Make sure you show the steps for obtaining your final answers. A. (40 points) Show the representation of each of the following signed integers using (a) signed magnitude, (b) 1's complement, (c) 2's complement, and (d) excess-64 notations. Use 7 bits for each representation. 1. 44 2. 23 B. (10 points) Show the IEEE 754 (single precision) bit patterns for the following decimal numbers 1. 0.015 2. 1010.0