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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 addition - the number that is added to another number called the augend






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






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






4. In addition - the number to which the addend is added






5. 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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6. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed






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






8. The unit of electrical current






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






10. American National Standards Institute






11. 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






12. 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






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






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






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






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






17. 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






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






19. The total number of data units(bits - nibbles - bytes - words) that a memory can store.






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






21. Data Terminal equipment






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






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






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






25. A digital counter having ten states






26. One of the three regions in a bipolar junction transistor






27. The number of protons in a nucleus






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

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






30. A group of eight bits






31. The digit generated when the sum of two binary digits exceeds 1






32. A combined coder and decoder






33. 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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34. 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






35. 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.






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






37. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus






38. American wire gauge; a standardization based on wire diameter






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






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






41. A circuit with a complete current path






42. Having two opposites charge carriers within the transistor structure






43. 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






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






45. The process that prevents two sources from using a bus at the same time






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






47. 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.






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






49. In Boolean algebra - the AND operation






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






Can you answer 50 questions in 15 minutes?



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