**SIGNALS AND SYSTEMS**

** 15-16MARKS IMPORTANT QUESTIONS **

**UNIT-I**

1.How signals are classified?write about elementary CT SIGNAL?

2.problems under conditions for signals periodic,APERIODIC ,ENERGY&Power signal.

3.Problems under system.check for linear,variant,casual&stability

**UNIT-II**

4.Properties of fourier series,fourier transform&laplace transform

5.Fourier series problems

6.Fourier transform problems

**UNIT-III**

7.Properties of fourier and laplace transform in CT system

8.Differential equation problems

9.i)Impulse responseii)convolution integral

**UNIT-IV**

10.Properties of DTFT&Z-transform

11.Problems on DTFT transform

12.Problems on Ztransform

**UNIT-V**

13.DT SYSTEM Realization

14.Convolution

15.DTFT&Z-transform of systems