Qualcomm Interview Questions, Process, and Tips for Experienced

Q1. Mostly related to docker networking concept.
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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
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Q3. Git, merge abd rebase cherry-pick etc
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Q1. Bitwise questions easy to medium
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Q2. Merge two sorter linked list
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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
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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 ?
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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. 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
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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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Codes. 3D convolution using 5x5x5 matrix

Q1. Questions was on image processing like color domains, histograms, canny edge detector etc
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Q2. Deep learning questions about CNN networks
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Q1. Os related questions
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Q2. Time complexity related questions
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