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Digital Electronics Vocab

Subject : engineering
Instructions:
  • Answer 50 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. Electronic test equipment that can perform multiple tasks. Typically one capable of measuring voltage - current - and resistance. More sophisticated modern digital multimeters also measure capacitance - inductance - current gain of transistors - and/






2. Signal in the form of a rectangular pulse train or a square wave.






3. Light-emitting diode. An electronic device that conducts current in one direction only and illuminates when it is conducting.






4. A very common IC package with two parallel rows of pins intended to be inserted into a socket of through holes drilled in a printed circuit board.






5. Giga






6. Circuit that is capable of sensing and holding a signal until the event that changed the signal can be addressed.






7. Signal in the form of a rectangular pulse train or a square wave.






8. The process of applying a thin coat of solder to materials prior to their being soldered; for example - application of a light coat of solder to the filaments of a conductor to hold the filaments in place prior to soldering the conductor.






9. Metallic alloy of tin and lead that is used to join two metal surfaces.






10. Kilo






11. I and Ampere or Amp (A)






12. The instantaneous voltage of a waveform. Often used to mean maximum amplitude - or peak voltage - or a pulse.






13. A circuit the produces a digital output signal that is half the frequency of the input.






14. Are and Ohms






15. A circuit board for wiring temporary circuits - usually used for prototypes or laboratory work.






16. Component made of material that opposes flow of current and therefore has some value of resistance.






17. Mega






18. The unwanted formation of a conductive path of solder between conductors.






19. A series of logic 1s and 0s plotted as a function of time.






20. Coding system of colored stripes on a resistor to indicate the resistor's value and tolerance.






21. Insulating board containing conductive tracks for circuit connections.






22. The direction of current flow associated with positive charge in motion. The current flow direction is from a positive to negative potential - which is in the opposite direction of electron flow.






23. Term derived from 'transfer resistor.' Semiconductor device that can be used as an amplifier or as an electronic switch.






24. A way of representing a physical quantity by a series of binary numbers. A digital representation can have only specific discrete values.






25. The process of applying a thin coat of solder to materials prior to their being soldered; for example - application of a light coat of solder to the filaments of a conductor to hold the filaments in place prior to soldering the conductor.






26. An array of seven independently controlled light-emitting diodes (LED) or liquid crystal display (LCD) elements - shaped like a figure-8 - which can be used to display decimal digits and other characters by turning on the appropriate elements.






27. A square IC package with leads on all four sides designed for surface mounting on a circuit board.






28. Coding system of colored stripes on a resistor to indicate the resistor's value and tolerance.






29. C and Farad (F)






30. Circuit that is capable of sensing and holding a signal until the event that changed the signal can be addressed.






31. Any material that allows the free movement of electric changes - such as electrons - to provide an electric current.






32. C and Farad (F)






33. A circuit board for wiring temporary circuits - usually used for prototypes or laboratory work.






34. Giga






35. V or E and Volt (V)






36. The smallest particle of an element that still has the same characteristics as the element.






37. Are and Ohms






38. Component made of material that opposes flow of current and therefore has some value of resistance.






39. Process of joining two metallic surfaces to make an electrical contact by melting solder (usually tin and lead) across them.






40. P and Watt (W)






41. The direction of current flow associated with positive charge in motion. The current flow direction is from a positive to negative potential - which is in the opposite direction of electron flow.






42. Light-emitting diode. An electronic device that conducts current in one direction only and illuminates when it is conducting.






43. Micro






44. Milli






45. A way of representing some physical quantity - such as temperature or velocity - by a proportional continuous voltage or current. An analog voltage or current can have any value within a defined range.






46. Milli






47. An IC package similar to a DIP - but smaller - which is designed for automatic placement and soldering on the surface of a circuit board.






48. An electrical device used to store electrical charge.






49. A way of representing some physical quantity - such as temperature or velocity - by a proportional continuous voltage or current. An analog voltage or current can have any value within a defined range.






50. The smallest particle of an element that still has the same characteristics as the element.







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