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






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






3. The application of a dc voltage to an electronic device to produce a desired mode of operation






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






5. 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






6. 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.






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






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






9. A type of magnetic tape format






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






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






12. 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






13. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system






14. Direct memory access; a method to directly interface a peripheral device to memory without using the CPU for control






15. 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






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






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






18. American National Standards Institute






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






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






21. A combined coder and decoder






22. The portion of the CPU that interfaces with the system buses and fetches instructions - reads operands - and writes results.






23. A digital counter having ten states






24. 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






25. Having two opposites charge carriers within the transistor structure






26. Consisting of numerals - letters - and other characters






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






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






29. The inverse of opposite of a number - in Boolean algebra - the inverse function - expressed with a bar over the variable. The complement of a 1 is a 0 - and vice versa






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






31. A circuit with a complete current path






32. Data Communications equipment






33. Data Terminal equipment






34. A resettable protective device used for interrupting execessive current in an electric circuit






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






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






37. The maximum value of a voltage or current






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






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






40. A interconnection of electrical components designed to produce a desired result. A basic circuits consists of a source - a load and an interconnecting current path.






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






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






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






44. Dual in - line memory module






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






46. Stands for Complementary Metal-Oxide Semiconductor and is implemented with a type of field transistor






47. The beginning address of a segment of memory






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






49. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).






50. 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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Can you answer 50 questions in 15 minutes?



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