Digital Signal Processing Test Questions

Q.  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

ANSWER: See Answer
No explanation is available for this question!