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**Anna University Question Paper Code : 51361**

B.E./B.Tech. DEGREE EXAMINATION, MAY/JUNE 2014.

B.E./B.Tech. DEGREE EXAMINATION, MAY/JUNE 2014.

**Seventh Semester**

**Computer Science and Engineering**

**CS 2403/CS 73 — DIGITAL SIGNAL PROCESSING**

**(Common to Fifth Semester — Information Technology)**

**(Regulation 2008)**

**(Also Common to PTCS 2403 — Digital Signal Processing for B.E (Part—Time) Sixth Semester Computer Science and Engineering Regulation 2009)**

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**PART A — (10 x 2 = 20 marks)**

1. What do you understand by the term, signal processing?

2. What is time invariant system?

3. List any two properties of DFT.

4. What is meant by radix — 2 FFT algorithm?

5. What are the properties of impulse invariant transformation?

6. Draw the direct form structure of IIR filter.

7. What do you understand by linear phase response in filters?

8. What is the reason that FIR filter is always stable?

9. Define upsampling.

10. What is adaptive filter?

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