Gate EC-2008 Question Paper With Solutions

 

Q. 73 A speed signal, band limited to 4 kHz and peak voltage varying between +5 V and -5 V, is sampled at the Nyquist rate. Each sample is quantized and represented by 8 bits.

The number of quantization levels required to reduce the quantization noise by a factor of 4 wo

(A) 1024

(B) 512

(C) 256

(D) 64

Answer: B

Explanation:
Gate EC-2008 Question Paper With Solutions

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