Qualcomm Interview Questions, Process, and Tips

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...read more
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Q2. What to build financial model?
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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
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Q1. What is depreciation?
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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...read more
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Q2. What is the concept of budgeting?
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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
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Q1. Technical interview questions
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Q2. Questions technical interview questions
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Q1. One on round questions
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Q2. Questiobs one on round
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Aptitude and technical questions were asked

Q1. Pattern question
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Q2. Doubly linked list insertion
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Q1. C++ linked lists
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Q2. Resume based, projects were asked.
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Q1. Bitwise questions easy to medium
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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
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Q1. Inter process communication theory
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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
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Q1. Linux Module development
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Q2. Dynamic 2d array multiplication
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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
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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 ...read more
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Q1. Pointer related questions.
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Q2. Basic puzzles
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Some question on memory management and some puzzles.

Problems related to pointer like in this scenario what should be the output etc.

Q1. Give an example of a customer dispute in making payment
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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
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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...read more
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