Test your basic knowledge |

Digital Fundamentals

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. Sum of all the voltage drops in series equals to the source voltage

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2. A class of integrated logic circuits that is implemented with a type of field effect transistor






3. The unit of electrical current






4. Having two directions. the stored data can be shifted right or left






5. The process of converting an analog signal to digital form






6. Characteristic of cells in a Karnaugh map in which there is a single- variable change from one cell to another cell next to it on any of its four sides






7. The process or sequence of operations carried out to program a target device






8. To connect 'end- to- end' as when several counters are connected from the terminal count output of one counter to the enable input of the next counter






9. A program that translates an assembly language program for one type of microprocessor to an assembly language for another type of microprocessor






10. A electrical property of matter that exist because of an excess or a deficiency of electrons. Can be either positive or negative






11. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic






12. The normal level of a pulse waveform; the voltage level in the absence of a pulse.






13. Data Terminal equipment






14. A reduction of the output signal compared to the input signal - resulting in a ratio with a value of less than 1 for the output voltage to the input voltage of a circuit.






15. Information in numeric - alphabetic - or other form.






16. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit






17. A combination of input literals that cannot occur and can be used as a 1 or 0 on a Karnaugh Map for simplification

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18. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously






19. A notational system for logic symbols that specifies input and output relationships thus fully defining a given function






20. A connection at the midpoint of a winding in a transformer






21. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor






22. The action of a circuit in which it accepts current into its output from a load






23. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent






24. A nominally continuous electrical signal that varies in amplitude or frequency in response to changes in sound - light - heat - position - or pressure.






25. The beginning address of a segment of memory






26. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.






27. A resettable protective device used for interrupting execessive current in an electric circuit






28. A filter that passes a range of frequencies lying between two critical freqencies and rejects frequencies above and below that range.






29. A series of bits describing a final design that is sent to the target device during programming






30. An electrical device consisting of two conductive plates separated by an insulating material and possessing the property of capacitance.






31. Transistor-Transistor Logic and is implemented with bipolar junction transistors






32. A VHDL feature that can be used to predefine the logic function for multiple use throughout a program or programs






33. A method for the automated testing of printed circuit boards in which the board is mounted on a fixture that resembles a bed of nails that makes contact with test points






34. The interval of time occupied by a single bit in a sequence of bits; the period of the clock






35. A binary digit - which can be either 1 or 0






36. A type of magnetic tape format






37. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.






38. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents






39. American Standard Code for Information Interchange; the most widely used alphanumeric code.






40. A type of PLD nonvolatile programmable link that can be left open or can be shorted once as directed by the program






41. In a PLD - a matrix formed by rows of product- term lines columns of input lines with a programmable cell at each junctions. In VHDL - an array is an ordered set of individual items called elements with a single identifier name.






42. A method for internally testing a PLD based on the JTAG standard (IEEE std.)






43. An electrical instrument used to measure current






44. A stage of the DSP pipeline operation in which instructions are assigned to functional units and are decoded.






45. A set of interconnections that interface one or more devices based on a standardized specification






46. A unit of logic in an FPGA that is made up of multiple smaller logic modules and a local programmable interconnect that is used to connect logic modules within the CLB






47. One of the three regions in a bipolar junction transistor






48. A number given in ampere- hours determined by multiplying the current times the length of the time (h) a battery can deliver that current to a load






49. A group of eight bits






50. An instrument that can specify each of the other instruments on the bus as either a talker or a listener for the purpose of data transfer.