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 transformer in which the primary and secondary are in a single winding






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






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






4. Characterized by ten states or values






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

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


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






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






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






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






10. 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.






11. In Boolean algebra - the OR operation






12. Consisting of numerals - letters - and other characters






13. Altera HDL; a nonstandard HDL






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






15. A logic gate that produces a High output only when all of the inputs are HIGH






16. A theorem that states that any amount of voltage sources and current sources can be combined into a single current source with a parallel resistor.

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


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






18. The number of protons in a nucleus






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






20. An adverse condition that could occur if two or more devices try to communicate at the same time on a bus






21. 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






22. The current left after the total load current is subtracted from the total current into the circuit






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






24. 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.






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






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






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. Dual in - line memory module






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






30. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit






31. 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


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






33. 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






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






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






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






37. A circuit that selects data from several inputs one at a time in a sequence and places them on the output; also called a multiplexer.






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






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






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






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






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






43. A digital circuit capable of counting electronic events - such as pulses - by progressing through a sequence of binary states.






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






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






46. A type of counter in which each stage is clocked from the output of the preceding stage.






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






48. Burst extended data output dynamic random- access memory






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






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