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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 Boolean algebra - the AND operation






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






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






4. The unit of electrical current






5. Consisting of numerals - letters - and other characters






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






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






8. 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






9. A combined coder and decoder






10. The number of protons in a nucleus






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






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






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






14. The main part of a computer responsible for control and processing of data; the core of a DSP that processes the program instructions






15. A digital counter having ten states






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






17. 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






18. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit






19. Data Communications equipment






20. 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.






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






22. A basic logic operation in which a true(high) output occurs only when all the input conditions are true (high)






23. Bipolar junction transistor; a semiconductor device used for switching or amplification. A BJT has two junctions - the base- emitter junction and the base- collector junction






24. The beginning address of a segment of memory






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






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






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






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






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






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






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






32. The actual current in a branch






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






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






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






36. Burst extended data output dynamic random- access memory






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






38. 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






39. A receiving device on a bus






40. A circuit with a complete current path






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






42. In Boolean algebra - the OR operation






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






44. American National Standards Institute






45. 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






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






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 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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49. Characterized by ten states or values






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