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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. Micro






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






3. 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.






4. P and Watt (W)






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






6. I and Ampere or Amp (A)






7. V or E and Volt (V)






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






9. P and Watt (W)






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






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






12. 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.






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






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






15. Giga






16. I and Ampere or Amp (A)






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






18. V or E and Volt (V)






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






20. C and Farad (F)






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






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






23. 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






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






25. An electrical device used to store electrical charge.






26. Insulating board containing conductive tracks for circuit connections.






27. 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/






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






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






30. Pico






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






32. 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






33. 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.






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






35. Kilo






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






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






38. Mega






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






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






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






42. Micro






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






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






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






46. C and Farad (F)






47. Are and Ohms






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






49. 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.






50. Giga