Electronics-Analog to Digital

Electronics-Analog to Digital
1. The two basic types of signals are analog and:
  • digilog
  • digital
  • vetilog
  • sine wave
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2. Which of the following characterizes an analog quantity?
  • Discrete levels represent changes in a quantity
  • Its values follow a logarithmic response curve.
  • It can be described with a finite number of steps.
  • It has a continuous set of values over a given range.
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3. ASCII stands for:
  • American Serial Communication Interface
  • Additive Signal Coupling Interface
  • American Standard Code for Information Interchange
  • none of the above
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4. Which type of signal is represented by discrete values?
  • noisy signal
  • nonlinear
  • analog
  • digital
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5. A data conversion system may be used to interface a digital computer system to:
  • an analog output device
  • a digital output device
  • an analog input device
  • a digital printer
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6. Digitizing a signal converts it from digital to analog.
  • TRUE
  • FALSE
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7. The voltages in digital electronics are continuously variable.
  • TRUE
  • FALSE
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8. In digital electronic circuits, information is first converted to a coded group of pulses.
  • TRUE
  • FALSE
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9. Digital systems using the 10-state system are more accurate than those using the two-state system.
  • TRUE
  • FALSE
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10. The decimal code system used ten levels of voltage.
  • TRUE
  • FALSE
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