How many gates are contained on a standard 7400 series chip

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Reference no: EM133455149

Questions:

1. How many gates are contained on a standard 7400 series chip?

2. When is the output of an OR gate low?

3. Given a three input OR gate with the inputs A,B and C; if C is high and A and B are unknown, what will the output be?

4. What is the Boolean expression for a NAND gate?

5. Briefly explain the difference between an AND gate and a NAND gate in terms of their truth table.

6. Given a three input NOR gate with the input levels high, low and low, what is the output?

7. Draw the schematic diagram for the following Boolean expression:

A.(B+C)

8. Is the following Boolean expression true or false: (A+B).C+(A.C)=C.(A+B)

9. What is the difference between a full and a half adder?

10. Using only NAND gates, draw a schematic diagram for an emulated OR gate.

11. Why are three inputs necessary in a full subtractor?

12. When the output of a gate feeds back into the input circuitry of the same gate what type of circuit is formed?

13. What is the forbidden state of an RS NAND flip-flop? When does it occur and why is it a problem?

14. What is the difference between the clocked RS flip-flop and the Standard RS flip-flop in terms of the forbidden state?

Reference no: EM133455149

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