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Consumer Electronics by S. P. Bali

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Multiple Choice Questions

  1. On the compact disc, the information is present in the track in
    1. analog form
    2. digital form
  2. The density of information on a compact disc is
    1. very small
    2. very high
  3. The diameter of the scanning light spot is
    1. 10 μm
    2. 1 μm
    3. 0.1 μm
  4. For converting the analog signal from the microphone into a digital signal
    1. A.M. is used
    2. FM is used
    3. PCM is used
  5. The track is optically scanned from
    1. above the disc
    2. below the disc
  6. Locational information is provided by
    1. audio bits
    2. channel bits
    3. parity bits
    4. C & D bits

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