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 number of protons in a nucleus






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






3. A method of analog- to- digital conversion using a 1- bit quantization process






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






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






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






7. Sum of all currents entering a node is equal to the sum of all currents leaving the same node


8. Altera HDL; a nonstandard HDL






9. American National Standards Institute






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






11. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.






12. Describes a number system with a base of ten






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






14. Dual in - line memory module






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






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






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






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






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






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






21. The beginning address of a segment of memory






22. Data Communications equipment






23. The unit of electrical current






24. A circuit that prevents loading of an input or output






25. A logic circuit used to add two binary numbers






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






27. 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.






28. 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






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






30. A digital counter having ten states






31. 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






32. 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






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






34. The portion within the microprocessor that provides the timing and control signals for getting data into and out of the microprocessor and for synchronizing the execution of instructions.






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






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






37. 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.






38. A set of conductive paths hat connects the CPU to other parts of the computer to coordinate its operations and to communicate with external devices






39. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit






40. 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






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






42. 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






43. 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






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






45. A one- way group of conductors from the to a memory - or other external device - on which the address code is sent






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






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






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






49. 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.






50. The process of producing an output carry in full- adder when both input bits are 1s.