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. 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.


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






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






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


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






6. An electrical instrument used to measure current






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






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






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






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






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






12. The maximum value of a voltage or current






13. The opposition of a capacitor to permit current; the reciprocal of capacitive reactance. The unit is the siemens.






14. Altera HDL; a nonstandard HDL






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






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






17. Burst extended data output dynamic random- access memory






18. Voltage Divider Rule in determining TEC Thevenin Equivalence Circuit






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






20. 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






21. Consisting of numerals - letters - and other characters






22. Having two opposites charge carriers within the transistor structure






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






24. Basic input/output system; a set of programs in ROM that interfaces the I/) devices in a computer system






25. A circuit that selects data from several inputs one at a time in a sequence and places them on the output; also called a multiplexer.






26. A digital counter having ten states






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






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






29. The location of a given storage cell or group of cells in a memory; a unique memory location containing on byte






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






31. A software compiler language for SPLD programming; a type of hardware description language (HDL)






32. Dual in - line memory module






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






34. 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.






35. 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.






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






37. 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.






38. A unit of logic in an FPGA that is made up of multiple smaller logic modules and a local programmable interconnect that is used to connect logic modules within the CLB






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






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






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






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






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






44. 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






45. Characterized by ten states or values






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






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






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. In a pulse waveform - the height or maximum value of the pulse as measured from its low level.






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