SQNR can be improved by _______ sampling rate.

a) Increasing

b) Decreasing

c) Does not depend

d) None of the mentioned

2. Which offers better SQNR?

a) Delta modulation

b) PCM

c) Delta modulation & PCM

d) None of the mentioned

3. Two functions are called as orthogonal if on integrating the product we get

a) One

b) Zero

c) Infinity

d) None of the mentioned

4. Eigen functions are not orthogonal.

a) True

b) False

5. Shot noise is produced by

a) Electrons

b) Photons

c) Electrons & Photons

d) None of the mentioned

6. Shot noise is avoidable when current is

a) Zero

b) One

c) Infinity

d) None of the mentioned

7. Shot noise is

a) Stochastic process

b) Poisson process

c) Stochastic & Poisson process

d) None of the mentioned

8. Which occurs due to equilibrium fluctuations?

a) Thermal noise

b) Johnson noise

c) Thermal & Johnson noise

d) None of the mentioned

9. Flicker noise is called as

a) White noise

b) Pink noise

c) Brown noise

d) None of the mentioned