Discussion
A recorder samples 256 twelve-bit words per second. The raw data rate is
Answer: C
Correct answer: 3072 bits per second
Multiply the word rate by the word length:
\[ 256 \times 12 = 3072\ \mathrm{bit/s} \]
This is the standard ARINC 717 rate at 256 words per second, and it is modest by any modern measure - which is why solid-state memory removed the capacity constraint entirely. The format also runs at 64, 128, 512 and 1024 words per second, the higher rates carrying more parameters or the same ones more often.
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