Qualcomm Qchat Tools Engineer/Senior Engineer interview questions

Applied for this position on careers page. Got a call from HR regarding telephonic interview. Went through 1 hr telephonic round where the interviewer grilled on basics of C,C++ and Data structures. Questions: 1. What is your experience in C,C++ 2. How would you rate yourself in C,C++ and Java 3. Asked basics of OOPs 4. Asked about current project. 5. Why do you want to join Qualcomm 6. Gave two programs and asked the output 7. Aksed why hashtable is used over other DS 8. What is the difference between mobile app development and web application 9. What is your experience in Android 10. What is Abstract Class. and what is the difference b/w abstract class and interface. How you create abstract class in C++ 11. What is dynamic binding. How do you implement it 12. What is fseek 13. Do you python , share your experience 14. Do you know perl. 15. Are you open for learning