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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. Nano






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






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






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






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






7. Pico






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






9. 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.






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






11. 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






12. 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.






13. Mega






14. Nano






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






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






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






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






19. P and Watt (W)






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






21. Giga






22. I and Ampere or Amp (A)






23. Are and Ohms






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






25. An electrical device used to store electrical charge.






26. 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/






27. V or E and Volt (V)






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






29. Micro






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






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






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






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






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






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






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






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






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






41. 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.






42. 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






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






44. Tera






45. Giga






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






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






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






49. Insulating board containing conductive tracks for circuit connections.






50. P and Watt (W)







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