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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. An expression of variables and operators used to express the operation of a logic circuit






2. An array of AND gates consisting of a matrix of programmable interconnection






3. A type of inductor used to block or choke off high frequencies






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






5. A theorem that states that any amount of voltage sources and current sources can be combined into a single current source with a parallel resistor.

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6. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.






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






8. Data Communications equipment






9. Digital audio tape; a type of magnetic tape format






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






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






12. The ability of a capacitor to store electrical charge.






13. A transformer in which the primary and secondary are in a single winding






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






15. A group of eight bits






16. An arrangement of electrical and/or electronic components interconnected in such a way as to perform a specified function






17. The range of frequencies for which the current (or output voltage) is equal to or greater than 70.7% of its value at the resonant frequency that is considered to be passed by a filter.






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






19. The mathematics of logic circuits






20. 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






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






22. The application of a dc voltage to an electronic device to produce a desired mode of operation






23. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities






24. In addition - the number that is added to another number called the augend






25. A circuit that prevents loading of an input or output






26. A bridge circuit that is in the balanced state as indicated by 0 V across the output.






27. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).






28. Sum of all currents entering a node is equal to the sum of all currents leaving the same node

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






30. A logic gate that produces a High output only when all of the inputs are HIGH






31. A logic circuit used to add two binary numbers






32. One current path in a parallel circuit; a current path that connects two nodes






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






34. A combined coder and decoder






35. Burst extended data output dynamic random- access memory






36. Altera HDL; a nonstandard HDL






37. The number of protons in a nucleus






38. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus






39. A type of counter in which each stage is clocked from the output of the preceding stage.






40. The portion within the microprocessor that provides the timing and control signals for getting data into and out of the microprocessor and for synchronizing the execution of instructions.






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






42. Dual in - line memory module






43. A circuit with a complete current path






44. An electrical instrument used to measure current






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






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

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47. A code within DOS that allows various operations on files and includes a primitive assembler; to eliminate a problem in hardware or software.






48. A interconnection of electrical components designed to produce a desired result. A basic circuits consists of a source - a load and an interconnecting current path.






49. Characterized by ten states or values






50. Having no stable state. An astable multivibrator oscillates between two quasi- stable states.