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






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






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






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






5. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte






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






7. A device used to convert an analog signal to a sequence of digital codes






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






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






10. The actual current in a branch






11. A software compiler language for SPLD programming; a type of hardware description language (HDL)






12. Data Terminal equipment






13. Bipolar junction transistor; a semiconductor device used for switching or amplification. A BJT has two junctions - the base- emitter junction and the base- collector junction






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






15. 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.






16. The effect created when a signal is sampled at less than twice the signal frequency. Aliasing creates unwanted frequencies that interfere with the signal frequency.






17. A combined coder and decoder






18. Having two opposites charge carriers within the transistor structure






19. The beginning address of a segment of memory






20. A digital code in which each of the decimal digits - 0 through 9 - is represented by a group of four bits






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






22. To decrease the binary state of a counter by one






23. 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






24. The smallest particle of an element possessing the unique characteristics of that element.






25. The VHDL unit that describes the internal operation of a logic function; the internal functional arrangement of the elements that give a device its particular operating characteristics.






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






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






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






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






30. In a division operation the quantity that is being divided






31. A method of analog- to- digital conversion using a 1- bit quantization process






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






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






34. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit






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






36. Altera HDL; a nonstandard HDL






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






38. A semiconductor device that conducts current in only one direction






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






40. A type of IC package whose leads must pass through holes to the other side of a PC board






41. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits






42. In Boolean algebra - the OR operation






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






44. A type of magnetic tape format






45. Burst extended data output dynamic random- access memory






46. The portion of the CPU that interfaces with the system buses and fetches instructions - reads operands - and writes results.






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






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






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






50. A digital circuit capable of counting electronic events - such as pulses - by progressing through a sequence of binary states.







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