Technical Interview:

Programming Concepts

1. Recursive loops and how to exit from them?
2. Describe the architecture of a computer or a processor.

DSP

1. Aliasing
2. Nyquist theorem
3. Difference between Fourier Transform and Fourier Analysis
4. Convolution
5. To find the stability of a given equation
6. z-transform of some signals
7. DFT and FFT

Matlab

1. Difference between a.*b and a.b
2. How to open a file in Matlab
3. How to concatenate two strings
4. Difference between scripts and functions

C

1. Difference between * and & before a variable in pointers
2. Null pointer
3. MALLOC
4. typedef, ifdef & ifndef
5. What is #define?

Math

1. Integration and differentiation
2. Eigenvalues and eigenvectors How to find the inverse of a matrix

Some questions in DSP were difficult.