a) NOR gate SET/CLEAR latch: Examine closely and then wire the NOR gate latch shown in Figure 15-1. Connect normally LOW pushbutton switches to the CLEAR and SET inputs to the circuit. You will monitor circuit outputs Q and Q with LED monitors. b) Turn the power supply on, and note the states of both LEDs: Q= Q= Predicting the states of a latch when power is first applied is impossible, so the values just recorded are random. Clear Q by momentarily pulsing the CLEAR input HIGH. If Q is already LOW, pulsing the CLEAR input will have no effect on the circuit. c) Pulse the SET input HIGH, and observe the effects on the circuit outputs: Q=Q= Note that releasing the pushbutton does not cause Q to change from its new state. Why? Now pulse the SET input HIGH again. What effect does this have on the circuit outputs? d) Pulse the CLEAR input HIGH, and observe that Q changes back to LOW and stays LOW even after the pushbutton is released. e) Alternately pulse the SET and CLEAR inputs HIGH several times. Note that the outputs are always at opposite states. f) Press and hold the SET and CLEAR inputs HIGH at the same time. Note that both outputs are now LOW. Release the pushbuttons, and note the states of the outputs. Are they both still LOW? Now pulse both SET and CLEAR inputs simultaneously several times, and note the effects on the outputs. If you pulse the circuit in this manner enough times, you will probably get random results. This is because the circuit response to this input condition is unpredictable. g) NAND gate SET/CLEAR latch: Examine closely and then wire the NAND gate SET/CLEAR latch shown in Figure 15-2. Connect normally HIGH pushbutton switches to the SET and CLEAR inputs of the circuit