Digital Circuits Practice Test 7

1. A principle regarding most display decoders is that when the correct input is present, the related output will switch ____________

2. How many natural states will there be in a 4-bit ripple counter?

3. Which one is a 4-bit binary ripple counter?

4. A 5-bit asynchronous binary counter is made up of five flip-flops, each with a 12 ns propagation delay. The total propagation delay (tp(total)) is ____________

5. How many different states does a 3-bit asynchronous counter have?

6. Which of the following is a decade counter?

7. IC 7493 consist of ____________

8. Fundamental mode is another name for ____________

9. The duty cycle of the most significant bit from a 4-bit (0–9) BCD counter is ____________

10. Which is not an example of a truncated modulus?