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






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






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






4. 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


5. 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






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






7. An electrical instrument used to measure current






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






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






10. 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.






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






12. Burst extended data output dynamic random- access memory






13. A logic circuit used to add two binary numbers






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






15. A digital counter having ten states






16. 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


17. A bidirectional set of conductive paths on which data or instruction codes are transferred into a microprocessor or on which the result of an operation is sent out from the microprocessor






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






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






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






21. The process or sequence of operations carried out to program a target device






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






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






24. 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


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






26. 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






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






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






29. In Boolean algebra - the AND operation






30. A type of magnetic tape format






31. 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.






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






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






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






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






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






37. The maximum value of a voltage or current






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






39. Arithmetic Logic Unit; the key processing element of a microprocessor that perfoms arithmetic and logic operations.






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






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






42. 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






43. The mathematics of logic circuits






44. 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.






45. A group of eight bits






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






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






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






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






50. A receiving device on a bus