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17 True/False questions

  1. ByteA Binary digit. They are either 1 or 0; on or off, voltage or no voltage conditions.

          

  2. Flash DriveIn a CD "read" device, a special light emitting diode (led). This single wavelength light beam is filtered and focused on a very discrete area of the track so that it can read the pits that are there.

          

  3. Digital to Analog ConverterAn electronic device that allows only frequencies lower than a given cutoff point to pass. In the digital domain, any frequencies below 20 kHz.

          

  4. QuantizationThe representation of a complete voltage span (level or intensity) in discrete, binary numbers. It is the digital representation of amplitude level.

          

  5. MultiplexWhen two or more signals are combined in such a way that they can later be decoded or separated.

          

  6. ServoIn a CD "read" device, a special light emitting diode (led). This single wavelength light beam is filtered and focused on a very discrete area of the track so that it can read the pits that are there.

          

  7. BitA Binary digit. They are either 1 or 0; on or off, voltage or no voltage conditions.

          

  8. FormatThe arrangement of bits, words and codes within a frame. Many are possible, and each electronic component in the digital domain reads only those frames that are (this) for that system.

          

  9. FrameThe arrangement of bits, words and codes within a frame. Many are possible, and each electronic component in the digital domain reads only those frames that are (this) for that system.

          

  10. SamplingIn some CD players, samples of no voltage are created between actual samples so comparisons can be made among all samples, and a complete and accurate set of digits is the result, even if the original signal has been lost or degraded in some manner. This happens at either 4, 8 or 16 times per frame.

          

  11. WordA control system device that uses feedback of an output signal to compare and correct itself to a reference signal.

          

  12. MP3A Binary digit. They are either 1 or 0; on or off, voltage or no voltage conditions.

          

  13. LaserIn a CD "read" device, a special light emitting diode (led). This single wavelength light beam is filtered and focused on a very discrete area of the track so that it can read the pits that are there.

          

  14. Pulse Code ModulationAny kind of digital encoding of a signal. The most common type is where the voltage range is divided into a number of equal intervals.

          

  15. Low Pass FilterAn electronic device that allows only frequencies lower than a given cutoff point to pass. In the digital domain, any frequencies below 20 kHz.

          

  16. OperatorLogic algorithms in Boolcan algebra. Combination commands that route digital signals to control complex operations.

          

  17. OversamplingIn some CD players, samples of no voltage are created between actual samples so comparisons can be made among all samples, and a complete and accurate set of digits is the result, even if the original signal has been lost or degraded in some manner. This happens at either 4, 8 or 16 times per frame.