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






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






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






4. 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






5. 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






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






7. The ratio of pulse width to period expressed as a percentage






8. A combination of input literals that cannot occur and can be used as a 1 or 0 on a Karnaugh Map for simplification

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


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






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






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






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






13. The beginning address of a segment of memory






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






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






16. A type of magnetic tape format






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






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






19. Having two opposites charge carriers within the transistor structure






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






21. A two terminal circuit containing voltage sources - current sources - and resistors can be modeled as a voltage source in series with a resistor






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






23. Dual in - line memory module






24. The basic timing signal in a digital system; a periodic waveform in which the interval between pulses equals the time for one bit; the triggering input of a flip- flop






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






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






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






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






29. The law that states ORing several variables and then ANDing the single variable with each of the several variables and the ORing the product






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






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






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






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






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






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






36. 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






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






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






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






40. The range of frequencies for which the current (or output voltage) is equal to or greater than 70.7% of its value at the resonant frequency that is considered to be passed by a filter.






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






42. 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






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






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






45. 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






46. 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






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






48. The number of protons in a nucleus






49. American National Standards Institute






50. 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