Exercise 3: Repeat Exercise 2 using the simple 4-input, 4-output PAL shown below. Observe that the simple PAL has active low outputs-that is, the outputs of the OR gates are inverted (Hint: Use Os of functions.) A BC D F1 F2 F3 F4 Exercise 3: Repeat Exercise 2 using the simple 4-input, 4-output PAL shown below. Observe that the simple PAL has active low outputs-that is, the outputs of the OR gates are inverted (Hint: Use Os of functions.) A BC D F1 F2 F3 F4