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. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit






2. 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


3. A combined coder and decoder






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






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






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






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






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






9. A method for the automated testing of printed circuit boards in which the board is mounted on a fixture that resembles a bed of nails that makes contact with test points






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






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






12. A combination of logic gates interconnected to produce a specified Boolean function with no storage or memory capability; sometimes called combinatorial logic






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






14. A type of semiconductor memory that stores data in the form of charge packets and is serially accessed






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






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






17. A program that translates an assembly language program for one type of microprocessor to an assembly language for another type of microprocessor






18. A type of bistable multivibrator in which the output assumes the state of the D input on the triggering edge of a clock pulse.






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






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






21. Characterized by ten states or values






22. A programming language that uses English like words and has a one- to- one correspondence to machine language






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






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






25. 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






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






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






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






29. A complex programmable logic device that consists basically of muliple SPLD arrays with programmable interconnections.






30. Altera HDL; a nonstandard HDL






31. 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






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






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






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






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






36. 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.






37. Data Terminal equipment






38. 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.






39. 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.






40. 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






41. 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


42. A connection at the midpoint of a winding in a transformer






43. The mathematics of logic circuits






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






45. Having two directions. the stored data can be shifted right or left






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






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






48. 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






49. The ability of a capacitor to store electrical charge.






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