Aptitude:
1. Calculate slope of tangent to the circle (Figure provided)
2. Quiz
3. Basic Digital Signal Processing questions like fourier transform
4. General programming questions
5. Few well known algorithms ( e.g. KNN, etc)
Technical Rounds (I gave 4 rounds, 1 on-campus and 3 at company ) :
1. Questions on the approach of answer in the aptitude test
2. Then cross-questioning each of your answer.
3. Then questions on fourier series, transform, their difference (graphically, mathematically)
4. B.E. Project
5. Basics of Analog Commuication, Digital Commuication, Signals and Systems
6. Programming quesions on 4x4, 5x5 matrices (Logic and Pseudocode will suffice )
7. General questions based on Hobbies
Rejected because they needed female candidate to maintain the gender ratio