Test your basic knowledge |

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. The action of a circuit in which it accepts current into its output from a load






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






3. The unit of electrical current






4. 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






5. Data Communications equipment






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






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






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






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






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






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






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






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






14. Characterized by ten states or values






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






16. 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.






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






18. Digital audio tape; a type of magnetic tape format






19. Consisting of numerals - letters - and other characters






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






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






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






23. The beginning address of a segment of memory






24. 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






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






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






27. 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






28. An energy source that uses a chemical reaction to convert chemical energy into electrical energy.






29. Dual in - line memory module






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






31. In addition (ORing) and multiplication (ANDing) of two variables the order in which the variables are ORed or ANDed makes no difference






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






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






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






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






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






37. The normal level of a pulse waveform; the voltage level in the absence of a pulse.






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






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






40. Describes a number system with a base of ten






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






42. A reduction of the output signal compared to the input signal - resulting in a ratio with a value of less than 1 for the output voltage to the input voltage of a circuit.






43. A type of magnetic tape format






44. The actual current in a branch






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






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






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






48. A digital counter having ten states






49. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.






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