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






2. Micro






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






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






5. Nano






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






7. 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.






8. Are and Ohms






9. An electrical device used to store electrical charge.






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






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






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






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






14. Insulating board containing conductive tracks for circuit connections.






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






16. I and Ampere or Amp (A)






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






18. C and Farad (F)






19. 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.






20. 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.






21. 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.






22. 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.






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






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






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






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






27. Giga






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






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






30. Milli






31. A group of flip-flops (typically 4 or 8) that are arranged so that the values stored in the flip-flops are shifted from one flip-flop to the next for every clock.






32. Pico






33. C and Farad (F)






34. 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.






35. Milli






36. A solder connection that exhibits poor wetting and is characterized by a grayish - porous appearance due to excessive impurities in the solder - inadequate cleaning prior to soldering - and/or the insufficient application of heat during the soldering






37. Tera






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






39. 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.






40. Mega






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






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






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






44. 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.






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






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






47. Insulating board containing conductive tracks for circuit connections.






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






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






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