2. Use the following predicates to answer questions (a) through (f) (a) Draw the Karnaugh map for the predicates. Put ab on the top and cd on the side. Label each cell with W, X, Y, and/or Z as appropriate. have more than one definition have no definitions (b) Find the minimal DNF expression that describes all cells that (c) Find the minimal DNF expression that describes all cells that (d) Find the minimal DNF expression that describes X V Z. (e) Give a test set for X that uses each prime implicant once. (f) Give a test set for X that is guaranteed to detect a faults in Figure 8.2