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. In a PLD - a matrix formed by rows of product- term lines columns of input lines with a programmable cell at each junctions. In VHDL - an array is an ordered set of individual items called elements with a single identifier name.






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






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






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






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






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






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






8. A unit of the cross - sectional area of a wire.






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






10. American National Standards Institute






11. 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.






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






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


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






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






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






17. The unit of electrical current






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






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






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






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






22. 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






23. Data Communications equipment






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






25. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit






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






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






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






29. The main part of a computer responsible for control and processing of data; the core of a DSP that processes the program instructions






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






31. An electrical instrument used to measure current






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






33. Consisting of numerals - letters - and other characters






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






35. Burst extended data output dynamic random- access memory






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






37. The beginning address of a segment of memory






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






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






40. The maximum value of a voltage or current






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






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






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


44. 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






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






46. A device used to convert an analog signal to a sequence of digital codes






47. In Boolean algebra - the OR operation






48. 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.






49. A type of magnetic tape format






50. Characterized by ten states or values