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Digital Electronics Test

Instructions:

Answer 30 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Difference between sequential and combinational logic is what?
A B Output 0 0 0 0 1 0 1 0 0 1 1 1
Sequential has feedback
It reverses the outputs (AND OR INVERTER logic)
Tin and Led

2. How to calculate frequency?
Small Seal Integration
1/T
Small Seal Integration
It reverses the outputs (AND OR INVERTER logic)

3. How to calculate frequency?
Surface Mount Technology
A B Output 0 0 0 0 1 0 1 0 0 1 1 1
Tin and Led
1/T

4. How to calculate Duty Cycle?
16.346x 10^9
.693(Ra+Rb)C/.693(Ra+2Rb)C
Surface Mount Technology
1/T

5. Express 16346000000 in engineering notation?
16.346x 10^9
Input Output 0 1 1 0
A B Output 0 0 0 0 1 0 1 0 0 1 1 1
Analog has many different voltage possibilities - Digital is a square wave reading either 0 or 5

6. 60/40 solder is made of?
The rate of the first one rising to the second rising. The time high and low. _l---____l-
Surface Mount Technology
It reverses the outputs (AND OR INVERTER logic)
Tin and Led

7. What does SMT mean?
A B Output 0 0 0 0 1 1 1 0 1 1 1 1
1/T
Surface Mount Technology
16.346x 10^9

8. What does SSI mean?
6.28 x 10^-4
16.346x 10^9
Small Seal Integration
1/T

9. Express 16346000000 in engineering notation?
A B Output 0 0 0 0 1 0 1 0 0 1 1 1
16.346x 10^9
Small Seal Integration
It reverses the outputs (AND OR INVERTER logic)

10. Not gate
.693(Ra+Rb)C/.693(Ra+2Rb)C
It reverses the outputs (AND OR INVERTER logic)
Input Output 0 1 1 0
A B Output 0 0 0 0 1 1 1 0 1 1 1 1

11. AND gate
A B Output 0 0 0 0 1 0 1 0 0 1 1 1
.693(Ra+Rb)C/.693(Ra+2Rb)C
Input Output 0 1 1 0
16.346x 10^9

12. What does AOI do?
A B Output 0 0 0 0 1 0 1 0 0 1 1 1
It reverses the outputs (AND OR INVERTER logic)
Tin and Led
.693(Ra+Rb)C/.693(Ra+2Rb)C

13. How to calculate period?
Input Output 0 1 1 0
The rate of the first one rising to the second rising. The time high and low. _l---____l-
6.28 x 10^-4
Small Seal Integration

14. How to calculate period?
Input Output 0 1 1 0
A B Output 0 0 0 0 1 0 1 0 0 1 1 1
The rate of the first one rising to the second rising. The time high and low. _l---____l-
Surface Mount Technology

15. Express.000628 in scientific notation?
.693(Ra+Rb)C/.693(Ra+2Rb)C
Analog has many different voltage possibilities - Digital is a square wave reading either 0 or 5
6.28 x 10^-4
Tin and Led

16. Two differences between analog and digital signals?
Surface Mount Technology
Input Output 0 1 1 0
Analog has many different voltage possibilities - Digital is a square wave reading either 0 or 5
A B Output 0 0 0 0 1 0 1 0 0 1 1 1

17. Difference between sequential and combinational logic is what?
It reverses the outputs (AND OR INVERTER logic)
Surface Mount Technology
A B Output 0 0 0 0 1 0 1 0 0 1 1 1
Sequential has feedback

18. AND gate
Input Output 0 1 1 0
Tin and Led
Medium Seal integration
A B Output 0 0 0 0 1 0 1 0 0 1 1 1

19. MSI definition?
Tin and Led
Small Seal Integration
Surface Mount Technology
Medium Seal integration

20. How to calculate Duty Cycle?
.693(Ra+Rb)C/.693(Ra+2Rb)C
The rate of the first one rising to the second rising. The time high and low. _l---____l-
Tin and Led
Surface Mount Technology

21. OR gate
Tin and Led
The rate of the first one rising to the second rising. The time high and low. _l---____l-
It reverses the outputs (AND OR INVERTER logic)
A B Output 0 0 0 0 1 1 1 0 1 1 1 1

22. Two differences between analog and digital signals?
Input Output 0 1 1 0
It reverses the outputs (AND OR INVERTER logic)
.693(Ra+Rb)C/.693(Ra+2Rb)C
Analog has many different voltage possibilities - Digital is a square wave reading either 0 or 5

23. Not gate
1/T
It reverses the outputs (AND OR INVERTER logic)
.693(Ra+Rb)C/.693(Ra+2Rb)C
Input Output 0 1 1 0

24. Express.000628 in scientific notation?
It reverses the outputs (AND OR INVERTER logic)
Medium Seal integration
6.28 x 10^-4
1/T

25. MSI definition?
.693(Ra+Rb)C/.693(Ra+2Rb)C
6.28 x 10^-4
Analog has many different voltage possibilities - Digital is a square wave reading either 0 or 5
Medium Seal integration

26. What does AOI do?
Surface Mount Technology
16.346x 10^9
It reverses the outputs (AND OR INVERTER logic)
Analog has many different voltage possibilities - Digital is a square wave reading either 0 or 5

27. What does SMT mean?
Tin and Led
Input Output 0 1 1 0
Surface Mount Technology
Sequential has feedback

28. What does SSI mean?
Small Seal Integration
1/T
It reverses the outputs (AND OR INVERTER logic)
A B Output 0 0 0 0 1 1 1 0 1 1 1 1

29. 60/40 solder is made of?
It reverses the outputs (AND OR INVERTER logic)
Small Seal Integration
Tin and Led
Surface Mount Technology

30. OR gate
Sequential has feedback
A B Output 0 0 0 0 1 1 1 0 1 1 1 1
The rate of the first one rising to the second rising. The time high and low. _l---____l-
6.28 x 10^-4