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2. System whose output depends on any number of past output values
4. In FIR systems, for linear phase response, the impulse response should be
8. System whose output depends only on present and past input values
9. Direct form-II realization of discrete-time systems uses less number of ________ than direct form-I realization
10. System whose impulse response consists of finite number of samples
11. For a causal LTI system to be stable, the ROC of the system function must include
13. We cannot obtain a _________ sided sequence by long division
14. For a causal LTI system to be stable, all the poles of H(z) must lie _______ the unit circle in the z-plane
15. The DTFT is same as the Z-transform when ‘r’ is equal to

1. The structure which uses less number of delay elements
3. The range of values of z for which X(z) converges is called
5. System whose impulse response consists of infinite number of samples
6. Z-transform converts difference equations into _________ equations
7. _________ realization used to reduce the number of multipliers for the realization of FIR systems
12. The output due to unit sample sequence is called the ________ response of the system