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






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






3. 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






4. In Boolean algebra - the AND operation






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






6. The mathematics of logic circuits






7. Digital Signal Processor; a special type of microprocessor that processes data in real time






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






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






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






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






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






13. 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.






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






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






16. 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






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






20. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit






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






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






23. A relatively small - high- speed memory that stores the most recently used instructions or data from the larger but slower main memory






24. Data Communications equipment






25. In Boolean algebra - the OR operation






26. The inverse of opposite of a number - in Boolean algebra - the inverse function - expressed with a bar over the variable. The complement of a 1 is a 0 - and vice versa






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






28. A VHDL feature that can be used to predefine the logic function for multiple use throughout a program or programs






29. The beginning address of a segment of memory






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






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






32. 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






33. The average of a sine wave over one half- cycle. It is 0.637 times the peak value.






34. A digital counter having ten states






35. The phasor combination of resistive power (true power) and reactive power. The unit is the volt- amperes (VA).






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






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






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






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






40. 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






41. An instrument that can specify each of the other instruments on the bus as either a talker or a listener for the purpose of data transfer.






42. Dual in - line memory module






43. Altera HDL; a nonstandard HDL






44. Having two opposites charge carriers within the transistor structure






45. 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.






46. The process of converting an analog signal to digital form






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






48. 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






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






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