Three rounds have been conducted:

• Two technical interviews
• One HR interview

Technical interviews covered:

• C programming basics
• Digital Signal Processing (DSP) basics, including DFT, FFT, DTFT, and their differences
• Signals and Systems basics
• Bitwise operators in C
• Pointers in C
• Basic probability
• FIR and IIR filters

Topics include:

• Bitwise operators
• Pointers in C
• Basic probability
• Digital Signal Processing basics, such as:
  • DFT
  • FFT
  • DTFT and their differences
• FIR and IIR filters