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






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






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






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






5. A type of magnetic tape format






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






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






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






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






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






11. Having two stable states. Flip- flops and latches are bistable multivibrators.






12. A digital counter having ten states






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






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






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






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






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. The ability of a capacitor to store electrical charge.






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






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






21. A circuit with a complete current path






22. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory






23. The maximum value of a voltage or current






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






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






26. A combined coder and decoder






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






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






29. Data Communications equipment






30. Altera HDL; a nonstandard HDL






31. Describes a number system with a base of ten






32. A two terminal circuit containing voltage sources - current sources - and resistors can be modeled as a voltage source in series with a resistor






33. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit






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






35. An asynchronous input used to reset a flip- flop (make the Q output 0); to place a register or counter in the state in which it contains all 0's






36. 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.






37. A logic circuit used to add two binary numbers






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






39. Dual in - line memory module






40. 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






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






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






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






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






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






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






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






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






49. Having two opposites charge carriers within the transistor structure






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