Qualcomm Interview Experience (On-Campus) 2023

Round 1:Online Assessment:
It consists of 3 sections each section having 20 questions of multiple choice. The first section was based on Quantitative Aptitude, Logical Reasoning & Data Interpretation. Sections 2 and 3 were based on c programming output, operating system, digital and data structures, and algorithm.

Round 2:Technical Interview 1:
I was asked, “Tell me about yourself”.

• Write pseudo code for binary search
• Program to identify unique numbers in an array of repeating numbers
• Implement stack and queue
• Implement function overloading and overriding
• What is class
• What is an object
• What is virtual memory
• What is thrashing
• Difference between thread and process
• How to synchronize threads
• Difference between tcp and udp.
• Given a relation called movie with attributes name, rating, release date. Write a SQL query to get the names of the movies with top 10 ratings whose release year is 2022.

Round 3:Technical Interview 2:

• Difference between relational and non relational database
• How to access the parent class overridden function
• Design architecture
• Implement stack using linked list
• Write a program to remove duplicate characters in a string
• Given a relation employee with attributes id, name, salary, business unit. Write a sql query to get business units having top 3 average salary.
• Given two relations
  • Employee-id, name, salary, business unit
  • Manager- id, name, reportee_id(referencing the employee(id))
  • Write a sql query to get managers having top 3 average salary reportee

Round 4:HR Round:

• Why do you want to join Qualcomm
• Have you faced any conflict in a group project and how did you resolve it
• What are your interests

Verdict: Selected

Tips: Be thorough with basic DSA ,OS, sql commands and project related questions.

Thanks for Reading this, ALL the BEST ????