**Q1. The term ___________ is used when referring to the frequency content of a signal.**

a) angular momentum

**b) spectrum**

c) scope

d) bandwidth

**Q2. The process of obtaining the spectrum of a given signal using the basic mathematical tools is known as:**

a) time domain analysis

b) mathematical analysis

**c) spectral analysis**

d) pseudo analysis

**Q3. Most biomedical signals of practical interest can be decomposed into a sum of sinusoidal signal components. For the class of periodic signals, such a decomposition is called a _______ series.**

**a) fourier**

b) discontinuous

c) continuous

d) frequency

**Q4. Most biomedical signals of practical interest can be decomposed into a sum of sinusoidal signal components. For the class of finite energy signals, the decomposition is called the ____________**

a) Fourier series

**b) Fourier transform**

c) Laplace transform

d) Laplace series

**Q5. The ratio of response to a stimulus is called the transfer function.**

**a) True**

b) False

**Q6. Each component in the FFT series can then be represented as A cos (wt) + iB sin (f) where ______________**

a) A = The phase angle of the component

b) f = An FFT coefficient

c) t = temperature

**d) w = Angular frequency of the component**

**Q7. Which of the following transform is best suited for spatial filtering, edge detection, feature extraction, data compression, pattern recognition, speech recognition, image compression and texture analysis?**

**a) wavelet transform**

b) laplace transform

c) fourier transform

d) short time fourier transform