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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 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






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






3. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit






4. A digital counter having ten states






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






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






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






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






9. A number given in ampere- hours determined by multiplying the current times the length of the time (h) a battery can deliver that current to a load






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






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






12. Dual in - line memory module






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






14. 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






15. In addition (Oring) and multiplication (ANDing) of three or more variables - the order in which the variables are grouped makes no difference






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






17. Data Terminal equipment






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






19. Having two opposites charge carriers within the transistor structure






20. Characterized by ten states or values






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






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






23. 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






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






25. Consisting of numerals - letters - and other characters






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






27. Data Communications equipment






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






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

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






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






32. The average of a sine wave over one half- cycle. It is 0.637 times the peak value.






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






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






35. Characteristic of cells in a Karnaugh map in which there is a single- variable change from one cell to another cell next to it on any of its four sides






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






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






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






40. A logic circuit used to add two binary numbers






41. A group of eight bits






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






43. 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






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






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






46. 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.






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






48. In Boolean algebra - the OR operation






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






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






Can you answer 50 questions in 15 minutes?



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