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






2. A digital circuit that compares the magnitudes of two quantiities and produces an output indicating the relationship of the quantities






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






4. In Boolean algebra - the OR operation






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






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






7. Sum of all the voltage drops in series equals to the source voltage

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


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






9. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit






10. 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


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






12. A digital code in which each of the decimal digits - 0 through 9 - is represented by a group of four bits






13. The beginning address of a segment of memory






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






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






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






17. In Boolean algebra - the AND operation






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






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






20. A nominally continuous electrical signal that varies in amplitude or frequency in response to changes in sound - light - heat - position - or pressure.






21. 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






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






23. The rotational rate of a phasor which is related to the frequency of the sine wave that the phasor represents






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






25. American National Standards Institute






26. 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


27. Burst extended data output dynamic random- access memory






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






29. Consisting of numerals - letters - and other characters






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






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






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






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






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






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






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






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






38. A group of eight bits






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






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






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






42. 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






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






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






45. 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.






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






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






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






49. The number of protons in a nucleus






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