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






2. Nano






3. I and Ampere or Amp (A)






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






5. 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.






6. Numbers entered as a number from one to ten multiplied by a power of ten.






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






8. F and Hertz (Hz) or Cycles per sec.






9. Abbreviation of System International - a system of practical units based on the meter - kilogram - second - ampere - Kelvin - mole - and candela.






10. Nano






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






12. Tool with an internal heating element used to heat surfaces being soldered to the point where the solder becomes molten.






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






14. A two terminal device that conducts in only one direction.






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






16. 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.






17. 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.






18. Tool with an internal heating element used to heat surfaces being soldered to the point where the solder becomes molten.






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






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






21. 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.






22. Mega






23. I and Ampere or Amp (A)






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






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






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






27. V or E and Volt (V)






28. Pico






29. Are and Ohms






30. A movement of electrical charges around a closed path or circuit.






31. A floating point system in which numbers are expressed as products consisting of a number greater than one multiplied by an appropriate power of ten that is some multiple of three.






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






33. Numbers entered as a number from one to ten multiplied by a power of ten.






34. Giga






35. 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.






36. Abbreviation of System International - a system of practical units based on the meter - kilogram - second - ampere - Kelvin - mole - and candela.






37. 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/






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






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






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






41. Tera






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






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






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






45. A protective device in the current path that melts or breaks when current exceeds a predetermined maximum value.






46. C and Farad (F)






47. A movement of electrical charges around a closed path or circuit.






48. 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.






49. A two terminal device that conducts in only one direction.






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