Write truth tables for the functions described by the following specifications. Use Karnaugh Maps to simplify the equations. A 2-bit-wide shifter that takes two input signals I and 12 and shifts them to two outputs O and Oo, under the control of a shift signal S. If the shift signal is false, then the outputs are equal to their corresponding inputs. If shift is true then O is equal to Io and Oo is equal to . A 2-bit multiplexer that takes two input signals I, and Io and routes them to an output O under the control of of a 1-bit select signal S. If the select signal is true then O is equal to I and if the select signal is false then O is equal to Io. A 4-bit binary input A3 A2 A1 Ao whose output G is true when evenly divisible by 3 or 5 and false otherwise.