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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. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit






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






3. American National Standards Institute






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






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






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






7. The basic timing signal in a digital system; a periodic waveform in which the interval between pulses equals the time for one bit; the triggering input of a flip- flop






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






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






10. A basic logic operation in which a true(high) output occurs only when all the input conditions are true (high)






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






12. A type of magnetic tape format






13. In Boolean algebra - the AND operation






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






15. Digital Signal Processor; a special type of microprocessor that processes data in real time






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






17. A circuit (digital service) that switches digital data from one input line to several output lines in a specified time sequence






18. 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.






19. Data Communications equipment






20. A type of semiconductor memory having capacitive storage cells that lose stored data over a period of time and therefore must be refreshed.






21. A document that specifies parameter values and operating conditions for an integrated circuits or other device






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

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






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






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






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






27. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system






28. The inverse of opposite of a number - in Boolean algebra - the inverse function - expressed with a bar over the variable. The complement of a 1 is a 0 - and vice versa






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






30. A circuit that selects data from several inputs one at a time in a sequence and places them on the output; also called a multiplexer.






31. Altera HDL; a nonstandard HDL






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






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






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






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






36. An application program in development software packages that controls the design flow process and translates source code into object code in a format that can be logically tested or downloaded to a target device






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






38. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens






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






40. The law that states ORing several variables and then ANDing the single variable with each of the several variables and the ORing the product






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






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






43. 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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44. A semiconductor device that conducts current in only one direction






45. Describes a number system with a base of ten






46. A bidirectional set of conductive paths on which data or instruction codes are transferred into a microprocessor or on which the result of an operation is sent out from the microprocessor






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






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






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






50. A set of conductive paths hat connects the CPU to other parts of the computer to coordinate its operations and to communicate with external devices