Answer:
D. There were 176,400 samples of the orchestra music taken every second.
Explanation:
In Signal processing, whenever we convert a analog signal into Digital signal. We makes the sample of that audio signal. These samples are calculated using Nyquist Theorem. These are measured in the unit of samples per second which is called sampling rate. According to the Nyquist theorem, for better performance in digital signal, sampling rate should be double of the actual frequency of the signal in analog.
In given case 176,400 Hz is the sampling rate of the digital audio of the orchestra which means 176,400 samples per second.
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Answer:
a. false
b. false
c. false
d. true
Explanation:
(a) False, this is because the set of all real numbers are example of infinite uncountable set.
(b) False, this is because it is undecidable problem to test if a grammar G generates all possible strings over the alphabet and hence to check if set N containing all such CFG is not even recursive-enumerable.
(c) False, this is because there is decidable Turing machine to test if a NFA accepts the input string which includes it's own encoding.
(d) True, this is becsuse it's possible for context-sensative language.