Draw a Karnaugh map and assign variables to the inputs of the OR-XOR circuit in Figure so...

Draw a Karnaugh map and assign variables to the inputs of the OR-XOR circuit in Figure so that its output is F = W,X,Y,Z(2, 3, 8, 9). What is the solution if the OR gates are changed to NOR gates? Note that the output gate is a 2-input XOR rather than an AND or OR.

Figure