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






2. Insulating board containing conductive tracks for circuit connections.






3. P and Watt (W)






4. 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.






5. Mega






6. 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.






7. 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/






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






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






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






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






12. Nano






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






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






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






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






17. Pico






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






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. Kilo






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






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 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.






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






26. An electrical device used to store electrical charge.






27. Mega






28. 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/






29. Milli






30. Are and Ohms






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






32. An electrical device used to store electrical charge.






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






34. V or E and Volt (V)






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






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






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






38. 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.






39. P and Watt (W)






40. Pico






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






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






43. V or E and Volt (V)






44. Nano






45. Micro






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






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






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






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






50. Micro







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