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Qualcomm Interview Questions, Process, and Tips
Top Qualcomm Interview Questions and Answers
- Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because ...read moreasked in Software Engineer interview
- Q2. What is Min-Cut placement algorithm? Given some block sizes, use the algorithm to place them on a given chip areaasked in Engineer interview
- Q3. Function to write data to some memory location which can dynamically allocate memory and return the address details where data is present .asked in Senior Engineer interview
Qualcomm Interview Experiences
255 interviews found
Pavan Dronavalli
I applied via Campus Placement
Interview Questionnaire
16 Questions
- Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be us...
- Q2. Given an array A[n], write a C program to find P and Q (P>Q) such that A[P] - A[Q] is maximum
- Q3. A pyramid is given many blank spaces. Condition is that number in a cell equals sum of numbers in bottom two cells. Fill the blanks
- Ans.
The question asks to fill the blanks in a pyramid where each number is the sum of the numbers in the bottom two cells.
Start from the bottom row and work your way up, calculating the sum of the numbers in the bottom two cells for each blank space.
Use a loop to iterate through each row and column of the pyramid.
Store the calculated sum in the corresponding blank space.
Repeat the process until all the blanks are filled.
- Q4. What are the basic functions of OS?
- Q5. What is scheduling? List different types of scheduling
- Q6. What is a deadlock? How to know if a deadlock is present?
- Q7. What is Moore's Law?
- Ans.
Moore's Law is the observation that the number of transistors in a dense integrated circuit doubles about every two years.
Named after Intel co-founder Gordon Moore
First stated in 1965
Has been a driving force behind technological advancements
Predicts exponential growth in computing power
Has been challenged in recent years due to physical limitations
- Q8. Differentiate between a process and a thread
- Ans.
A process is an instance of a program while a thread is a subset of a process.
A process has its own memory space while threads share memory space
Processes are heavyweight while threads are lightweight
Processes communicate through inter-process communication while threads communicate through shared memory
Examples of processes include web browsers, text editors, etc. while examples of threads include GUI updates, backgro
- Q9. What are the advantages of having multi-core processor?
- Ans.
Multi-core processors provide faster and more efficient computing.
Improved performance and speed
Ability to handle multiple tasks simultaneously
Reduced power consumption
Better multitasking capabilities
Enhanced user experience
Examples: Intel Core i7, AMD Ryzen 9
- Q10. Tell me about yourself and your family briefly
- Ans.
I am a software engineer with a loving family.
I have been working as a software engineer for 5 years.
My wife is a teacher and we have two children.
We enjoy spending time together outdoors and traveling.
My parents live in a different state but we keep in touch regularly.
Family is very important to me and I prioritize spending time with them.
- Q11. Tell me about your course projects
- Ans.
Developed a web-based project management tool and a mobile app for tracking expenses
Created a responsive UI using React and Bootstrap
Implemented user authentication and authorization using Firebase
Integrated Google Maps API for location tracking in the mobile app
Used Node.js and MongoDB for backend development
Collaborated with a team of four to complete the projects
- Q12. Tell me about your professional experience
- Ans.
I have 5 years of experience in software engineering with expertise in Java and Python.
Developed and maintained web applications using Java and Spring framework
Designed and implemented RESTful APIs using Python and Flask
Worked on database management and optimization using MySQL and MongoDB
Collaborated with cross-functional teams to deliver high-quality software products
Participated in code reviews and provided construc
- Q13. What are your academic interests?
- Ans.
My academic interests include computer science, artificial intelligence, and machine learning.
Computer science
Artificial intelligence
Machine learning
- Q14. Explain one CS topic(of your choice) in layman terms
- Ans.
Explain Big O notation
Big O notation is used to describe the time complexity of an algorithm
It helps us understand how the algorithm's performance changes with input size
O(1) means constant time, O(n) means linear time, O(n^2) means quadratic time
We want algorithms with lower Big O values for better performance
- Q15. What are your location preferences?
- Ans.
I am open to relocation based on the job opportunity and growth prospects.
Open to relocation for the right opportunity
Willing to move for career growth
Flexible with location based on job requirements
- Q16. Would you like to have a pizza slice? ;)
- Ans.
Yes, I would love to have a pizza slice!
I am a big fan of pizza and would never say no to a slice!
Pizza is the perfect food for any occasion, whether it's a quick lunch or a late-night snack.
I particularly enjoy pepperoni and mushroom pizza, but I'm open to trying new toppings as well.
Interview Preparation Tips
Experience: Questions were of average difficulty but lengthy. The test was conducted between 7:30 PM and 9 PM. I had a long day so it was a little tiresome.
Tips: Time is of importance. I suggest you to quickly browse through all the questions and pick the easy ones beforehand instead of being stuck on a single difficult question.
Duration: 90 minutes
Total Questions: 60
Round: Technical Interview
Experience: I found the questions easy so I was able to answer them all.
Tips: Don't just think in your mind. Think out loud so that the interviewer can correct you.
Round: HR Interview
Experience: Interviewer was friendly. It was like talking with a friend.
Tips: Keep it short and brief. It's fine even if your English is not good. (Mine wasn't )
General Tips: Be cool and calm. If you don't know something, admit it. You can come back to it later.
Skill Tips: No need to go very deep. Just know the basics properly.
Skills: Puzzle Solving Capability, Computer Organisation, Operating System Basics, Object Oriented Programming (OOP) Basics, C Programming, Aptitude
Duration: 2
College Name: IIT Madras
Motivation: Qualcomm is an industry leader in mobile hardware. The work profile suited me well.
Funny Moments: The nice HR lady offered me a pizza slice.
Skills evaluated in this interview
Top Qualcomm Software Engineer Interview Questions and Answers
Software Engineer Interview Questions asked at other Companies
I was interviewed in Dec 2024.
(2 Questions)
- Q1. What can you share about your experience?
- Ans.
I have over 5 years of experience as a Business Analyst in the finance industry.
Led cross-functional teams to analyze market trends and develop strategic plans
Performed data analysis to identify opportunities for cost reduction and revenue growth
Collaborated with stakeholders to gather requirements and create detailed business requirements documents
- Q2. What are the specific responsibilities associated with the role, and how does the workflow typically function?
- Ans.
Business Analyst responsibilities include analyzing data, identifying trends, and making recommendations to improve business processes.
Gather and analyze data to identify trends and make recommendations
Work closely with stakeholders to understand business needs and requirements
Create reports and presentations to communicate findings and recommendations
Collaborate with cross-functional teams to implement solutions
Monito
(1 Question)
- Q1. It was little technical with the Excel and Power Bi
Business Analyst Interview Questions asked at other Companies
yogesh sindam
I was interviewed in Dec 2024.
(3 Questions)
- Q1. Mostly related to docker networking concept.
- Q2. How linux boot process work?
- Ans.
Linux boot process involves several stages including BIOS, bootloader, kernel initialization, and user space initialization.
BIOS (Basic Input/Output System) performs hardware initialization and loads bootloader
Bootloader (GRUB, LILO) loads the Linux kernel into memory and starts it
Kernel initializes devices, mounts the root filesystem, and starts the init process
Init process (systemd, SysVinit) starts user space proces
- Q3. Git, merge abd rebase cherry-pick etc
Interview Preparation Tips
i was interviewed for devops roles
Senior Devops Engineer Interview Questions asked at other Companies
(2 Questions)
- Q1. What is Planning?
- Ans.
Planning is the process of setting goals, determining actions to achieve those goals, and allocating resources effectively.
Setting specific, measurable, achievable, relevant, and time-bound (SMART) goals
Creating a detailed plan of action to achieve the goals
Allocating resources such as time, money, and manpower efficiently
Monitoring progress and making adjustments as needed
Examples: Financial planning for a company's b...
- Q2. What to build financial model?
- Ans.
A financial model is built to forecast future financial performance of a company or project.
Identify the purpose of the financial model (e.g. budgeting, valuation, forecasting)
Gather historical financial data and relevant assumptions
Create income statement, balance sheet, and cash flow statement projections
Perform sensitivity analysis to assess the impact of different variables
Validate the model by comparing actual res
(2 Questions)
- Q1. What is depreciation?
- Ans.
Depreciation is the allocation of the cost of a tangible asset over its useful life.
Depreciation is a non-cash expense that reduces the value of an asset over time.
It reflects the wear and tear, obsolescence, or decrease in value of an asset.
Common methods of calculating depreciation include straight-line, double declining balance, and units of production.
Example: A company purchases a machine for $10,000 with a useful...
- Q2. What is the concept of budgeting?
- Ans.
Budgeting is the process of creating a plan to manage income and expenses over a specific period of time.
Budgeting involves setting financial goals and creating a detailed plan to achieve them.
It helps in tracking income, expenses, and savings to ensure financial stability.
Budgeting can be done on a personal level, for businesses, or for specific projects.
Examples of budgeting tools include spreadsheets, budgeting apps
Financial Analyst Interview Questions asked at other Companies
Qualcomm interview questions for popular designations
I was interviewed in Sep 2024.
(1 Question)
- Q1. Project experience, admin questions, scenario based questions in admin, apex and in general tech questions Tableau, excel etc
(1 Question)
- Q1. Overall project experience and cross questioning on my candidature
(1 Question)
- Q1. Integration with Salesforce questions
(1 Question)
- Q1. Reports and dashboards, sprint management questions
(1 Question)
- Q1. Apex and Salesforce admin questions
Interview Preparation Tips
Project Analyst Interview Questions asked at other Companies
Get interview-ready with Top Qualcomm Interview Questions
(2 Questions)
- Q1. Technical interview questions
- Q2. Questions technical interview questions
(2 Questions)
- Q1. One on round questions
- Q2. Questiobs one on round
Interview Preparation Tips
PCB Design Engineer Interview Questions asked at other Companies
Jobs at Qualcomm
I applied via Approached by Company and was interviewed in Oct 2024. There were 3 interview rounds.
Aptitude and technical questions were asked
(2 Questions)
- Q1. Pattern question
- Q2. Doubly linked list insertion
(2 Questions)
- Q1. C++ linked lists
- Q2. Resume based, projects were asked.
Top Qualcomm Software Engineer Interview Questions and Answers
Software Engineer Interview Questions asked at other Companies
Selected
(2 Questions)
- Q1. Bitwise questions easy to medium
- Q2. Merge two sorter linked list
- Ans.
Merge two sorted linked lists into a single sorted linked list
Create a new linked list to store the merged result
Iterate through both input linked lists and compare nodes to determine the order in which they should be merged
Update the next pointers of the nodes in the new linked list accordingly
(2 Questions)
- Q1. Inter process communication theory
- Q2. Reverse words in String
- Ans.
Reverse words in a given string
Split the string into words using a space as delimiter
Reverse each word individually
Join the reversed words back together with a space in between
(4 Questions)
- Q1. Linux Module development
- Q2. Dynamic 2d array multiplication
- Q3. Why this role ?
- Ans.
I am passionate about solving complex engineering problems and contributing to innovative projects.
I have always been fascinated by the intersection of technology and creativity
I thrive in fast-paced environments where I can apply my technical skills
I am excited about the opportunity to work with a talented team and make a real impact
- Q4. Why linux kernel ? And About how to compile linux kernel?
- Ans.
Linux kernel is popular for its open-source nature, stability, security, and flexibility. Compiling it allows customization and optimization.
Linux kernel is widely used due to its open-source nature, allowing for customization and collaboration.
It is known for its stability, security, and flexibility, making it a preferred choice for many developers and organizations.
Compiling the Linux kernel involves configuring the ...
Interview Preparation Tips
Prep Embedded Linux.
Prep Bitwise and Linked list Problems. (easy to medium)
Prep Array and String w.r.t to dynamic memory allocation.
Prep Pointer Arithmetic.
Skills evaluated in this interview
Top Qualcomm Engineer Interview Questions and Answers
Engineer Interview Questions asked at other Companies
I applied via Company Website
(1 Question)
- Q1. Give an example of a customer dispute in making payment
Accountant Interview Questions asked at other Companies
Ravinder Kumar
(2 Questions)
- Q1. Invert bits of a number
- Ans.
Invert the bits of a given number
Use bitwise XOR operator (^) with 1 to flip each bit
Repeat the process for all bits in the number
Return the inverted number
- Q2. How do you support backward compatibility whiel designing a system
- Ans.
Backward compatibility can be supported by using versioning, deprecation strategies, and maintaining clear communication with users.
Use versioning to clearly distinguish between different versions of the system
Implement deprecation strategies to phase out old features gradually
Maintain clear communication with users about upcoming changes and provide migration paths
Consider using compatibility layers or adapters to bri...
Skills evaluated in this interview
Senior Software Engineer Interview Questions asked at other Companies
I applied via Campus Placement and was interviewed in Jul 2024. There were 3 interview rounds.
It consisted of aptitude questions, then OS C 1mrks, which were re GATE questions. No coding, I chose hardware role, so questions were from digital electronics too. prepare the gate questions for these subjects
(2 Questions)
- Q1. Question were from vlsi and SOC design
- Q2. Then questions on optimizations in vlsi were asked.
(2 Questions)
- Q1. Family and background check
- Q2. Resume and projects
Interview Preparation Tips
Top Qualcomm Hardware Engineer Interview Questions and Answers
Hardware Engineer Interview Questions asked at other Companies
Top trending discussions
Qualcomm Interview FAQs
Some of the top questions asked at the Qualcomm interview -
The duration of Qualcomm interview process can vary, but typically it takes about less than 2 weeks to complete.
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