1) The effects caused due to finite word lengths are
1) Coefficient quantization error
2) Adder overflow limit cycle
3) Round off noise
4) Limit cycles
a. 1, 2 and 3 are correct
b. 1 and 3 are correct
c. 1 and 4 are correct
d. All the four are correct
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Answer
Explanation
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ANSWER: All the four are correct
Explanation:
No explanation is available for this question!
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2) The error in the filter output that results from rounding or truncating calculations within the filter is called
a. Coefficient quantization error
b. Adder overflow limit cycle
c. Round off noise
d. Limit cycles
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Answer
Explanation
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ANSWER: Round off noise
Explanation:
No explanation is available for this question!
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3) A direct partial-fraction expansion of the transfer function in Z leads to
a. The parallel form II structure
b. The parallel form I structure
c. Cascaded structure
d. None of the above
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Answer
Explanation
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ANSWER: The parallel form II structure
Explanation:
No explanation is available for this question!
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4) A partial-fraction expansion of the transfer function in Z-1 leads to
a. The parallel form II structure
b. The parallel form I structure
c. Cascaded structure
d. None of the above
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Answer
Explanation
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ANSWER: The parallel form I structure
Explanation:
No explanation is available for this question!
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5) Parallel form of realisation is done in
a. High speed filtering applications
b. Low speed filtering applications
c. Both a and b
d. None of the above
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Answer
Explanation
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ANSWER: High speed filtering applications
Explanation:
No explanation is available for this question!
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6) In the cascaded form of realisation, the polynomials are factored into
a. a product of 1st-order and 2nd-order polynomials
b. a product of 2nd-order and 3rd-order polynomials
c. a sum of 1st-order and 2nd-order polynomials
d. a sum of 2nd-order and 3rd-order polynomials
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Answer
Explanation
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ANSWER: a product of 1st-order and 2nd-order polynomials
Explanation:
No explanation is available for this question!
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7) The advantage of using the cascade form of realisation is
1) It has same number of poles and zeros as that of individual components
2) The number of poles is the product of poles of individual components
3) The number of zeros is the product of poles of individual components
4) Over all transfer function may be determined
a. 1, 2 and 3 are correct
b. 1 and 3 are correct
c. 1 and 4 are correct
d. All the four are correct
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Answer
Explanation
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ANSWER: 1 and 4 are correct
Explanation:
No explanation is available for this question!
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8) The cascade realisation of IIR systems involves
1) The transfer function broken into product of transfer functions
2) The transfer function divided into addition of transfer functions
3) Factoring the numerator and denominator polynomials
4) Derivatives of the transfer functions
a. 1, 2 and 3 are correct
b. 1 and 3 are correct
c. 3 and 4 are correct
d. All the four are correct
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Answer
Explanation
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ANSWER: 1 and 3 are correct
Explanation:
No explanation is available for this question!
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9) The direct form II for realisation involves
1) The realisation of transfer function into two parts
2) Realisation after fraction
3) Product of two transfer functions
4) Addition of two transfer functions
a. 1, 2 and 3 are correct
b. 1 and 3 are correct
c. 3 and 4 are correct
d. All the four are correct
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Answer
Explanation
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ANSWER: 1 and 3 are correct
Explanation:
No explanation is available for this question!
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10) In direct form for realisation of IIR filters,
1) Denominator coefficients are the multipliers in the feed forward paths
2) Multipliers in the feedback paths are the positives of the denominator coefficients
3) Numerator coefficients are the multipliers in the feed forward paths
4) Multipliers in the feedback paths are the negatives of the denominator coefficients
a. 1, 2 and 3 are correct
b. 1 and 2 are correct
c. 3 and 4 are correct
d. All the four are correct
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Answer
Explanation
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ANSWER: 3 and 4 are correct
Explanation:
No explanation is available for this question!
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