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A 12-bit converter sampling at 10 kSa/s produces data at

  • A.10 kB/s
  • B.120 kB/s
  • C.15 kB/s
  • D.20 kB/s

Answer: D

Each sample occupies two bytes once it is stored in a 16-bit word, so ten thousand samples a second is twenty kilobytes a second. Packing three samples into four bytes would reduce it to fifteen, at the cost of awkward code.

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