Cadence Design Systems DSP Engineer interview questions

The interview consisted of a online test which had mcqs of aptitude, 15 questions related to signal and systems, 15 questions of C language, the next section was coding which consisted of code from sorting and mostly DATA structure related questions

1 hr written test, test involves writing solution of problems. Question were average level but time was very less. There were 3 sections of papres, 1. programming and software, 2. DSP Design 3. Hardware. This followed by 2 Technical round and 1 HR round. 5 students were selected for HR round, but finally company didnt select even single candidate.