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






2. American National Standards Institute






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






4. A logic circuit used to add two binary numbers






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






6. Burst extended data output dynamic random- access memory






7. A programming language that uses English like words and has a one- to- one correspondence to machine language






8. The graph of a filter's frequency response showing the change in the output voltage to input voltage ratio expressed in dB as a function of frequency for a constant input voltage






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






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






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






12. A digital circuit device that converts coded information into another (familiar) or noncoded form






13. The beginning address of a segment of memory






14. The ratio of pulse width to period expressed as a percentage






15. Dual in - line memory module






16. 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






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






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






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






20. A program that converts English- like mnemonics into machine code






21. A circuit with a complete current path






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






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






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






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






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






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






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






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






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






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






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






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






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






35. Consisting of numerals - letters - and other characters






36. Describes a number system with a base of ten






37. 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.






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






39. A type of bistable multivibrator in which the output assumes the state of the D input on the triggering edge of a clock pulse.






40. A condition where all the load currents are equal and the neutral current is zero






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






42. In Boolean algebra - the OR operation






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






44. 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






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






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






47. A unit of the cross - sectional area of a wire.






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






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






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







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