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






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






3. The beginning address of a segment of memory






4. In Boolean algebra - the AND operation






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






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






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






8. The time from the application of a valid memory address to the appearance of valid output data






9. 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






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






11. A type of magnetic tape format






12. One of the three regions in a bipolar Junction transistor(North junction of NpN)






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






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






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






16. 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






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






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






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






20. 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






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






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






23. Dual in - line memory module






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






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






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






27. 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






28. 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






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






30. Altera HDL; a nonstandard HDL






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






32. Consisting of numerals - letters - and other characters






33. A group of eight bits






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

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






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






38. The current left after the total load current is subtracted from the total current into the circuit






39. A digital counter having ten states






40. The mathematics of logic circuits






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






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






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. Burst extended data output dynamic random- access memory






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






46. 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






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






48. The portion within the microprocessor that provides the timing and control signals for getting data into and out of the microprocessor and for synchronizing the execution of instructions.






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






50. Data Terminal equipment







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