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An analog signal is band-limited to 4 kHz, sampled at Nyquist rate & the samples are quantized into 4 levels. The quantized levels are assumed to be independent & equally probable. If we transmit two quantized samples per second, the information rate is:
(a) 1 bit/sec
(b) 2 bits/sec
(c) 3 bits/sec
(d) 4 bits/sec
Answer is (d )
Concept
Type Reasoning here
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