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






2. 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.






3. Are and Ohms






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






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






6. An electrical device used to store electrical charge.






7. 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






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






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






10. 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.






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






12. 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/






13. 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.






14. 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.






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






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






17. Tera






18. V or E and Volt (V)






19. Tera






20. 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.






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






22. I and Ampere or Amp (A)






23. 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.






24. Are and Ohms






25. Milli






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






27. 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.






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






29. 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.






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






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






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






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. 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.






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






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






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






39. 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.






40. 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/






41. P and Watt (W)






42. 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.






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






44. Milli






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






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






47. Pico






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






49. Mega






50. Insulating board containing conductive tracks for circuit connections.