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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 device used to convert an analog signal to a sequence of digital codes






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






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






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






5. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit






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






7. Having two values or states; describes a number system that has a base of two and utilizes 1 and 0 as its digits






8. The interval of time occupied by a single bit in a sequence of bits; the period of the clock






9. Dynamic random- access memory; a type of semiconductor memory that uses capacitors as the storage elements and is a volatile - read/write memory






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






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






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






13. Having no stable state. An astable multivibrator oscillates between two quasi- stable states.






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






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






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






17. 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






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






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






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






21. In Boolean algebra - the OR operation






22. Having two directions. the stored data can be shifted right or left






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






24. A circuit with a complete current path






25. A receiving device on a bus






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






27. The graph of a filter's frequency response showing the change in the output voltage to input voltage ratio expressed in dB as a function of frequency for a constant input voltage






28. The unit of electrical current






29. A type of magnetic tape format






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






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






32. Characterized by ten states or values






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






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






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






36. 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






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






38. The process of rippling an input carry to become the output carry in a full- adder when either or both of the input bits are 1's and the input carry is a 1






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






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






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






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






43. The beginning address of a segment of memory






44. A condition where all the load currents are equal and the neutral current is zero






45. Altera HDL; a nonstandard HDL






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






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






48. Dual in - line memory module






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






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







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