1. The output of an OR gate with three inputs, A, B, and C, is LOW when ________.
2. Which of the following logical operations is represented by the + sign in Boolean algebra?
3. Output will be a LOW for any case when one or more inputs are zero for a(n):
4. How many pins does the 4049 IC have?
5. Which of the following choices meets the minimum requirement needed to create specialized waveforms that are used in digital control and sequencing circuits?
6. TTL operates from a ________.
7. The output of a NOR gate is HIGH if ________.
8. The switching speed of CMOS is now ________.
9. The power dissipation, PD, of a logic gate is the product of the ________.
10. A logic probe is again applied to the pins of a 7421 IC with the following results. Is there a problem with the circuit and if so, what is the problem?
11. If a 3-input AND gate has eight input possibilities, how many of those possibilities will result in a HIGH output?
12. The Boolean expression for a 3-input AND gate is ________.
13. A CMOS IC operating from a 3-volt supply will consume ________.
14. What does the small bubble on the output of the NAND gate logic symbol mean?
15. What are the pin numbers of the outputs of the gates in a 7432 IC?
16. If the input to a NOT gate is A and the output is X, then ________.
17. A logic probe is used to test the pins of a 7411 IC with the following results. Is there a problem with the chip and if so, what is the problem?
18. How many inputs of a four-input AND gate must be HIGH in order for the output of the logic gate to go HIGH?
19. If the output of a three-input AND gate must be a logic LOW, what must the condition of the inputs be?
20. Logically, the output of a NOR gate would have the same Boolean expression as a(n):
21. What is the Boolean expression for a three-input AND gate?
22. Which of the following gates has the exact inverse output of the OR gate for all possible input combinations?
23. What is the difference between a 7400 and a 7411 IC?
24. Write the Boolean expression for an inverter logic gate with input C and output Y.
25. The output of an exclusive-OR gate is HIGH if ________.