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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. Having two opposites charge carriers within the transistor structure






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






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






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






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






6. A measure of the ability of a reactive circuit to permit current; the reciprocal of impedance. the unit is the siemens






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






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






9. The mathematics of logic circuits






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






11. One current path in a parallel circuit; a current path that connects two nodes






12. In relation to VHDL feature that permits operations to be processed in a parallel;that is operations that occur simultaneously






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






14. A code within DOS that allows various operations on files and includes a primitive assembler; to eliminate a problem in hardware or software.






15. A number given in ampere- hours determined by multiplying the current times the length of the time (h) a battery can deliver that current to a load






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






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






18. A logic circuit used to add two binary numbers






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






20. 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.






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






22. 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.






23. 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






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






25. 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






26. In a division operation the quantity that is being divided






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






28. A receiving device on a bus






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






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






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






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






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






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






35. A document that specifies parameter values and operating conditions for an integrated circuits or other device






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






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






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






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






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






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






42. The number of protons in a nucleus






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






44. 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.

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45. 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






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






47. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit






48. The actual current in a branch






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

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