FIR filter - Bit representation to avoid quantization effect

Q.  In cascade form of realization, how many bits should be used to represent the FIR filter coefficients in order to avoid the quantization effect on filter coefficients?
- Published on 27 Nov 15

a. 5 to 10
b. 12 to 14
c. 20 to 24
d. 28 to 40

ANSWER: 12 to 14

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