Dexcel Electronics Designs Interview Questions and Answers

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Pure technical on kernel programming

Q1. Pure technical questions on background project
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Q2. Mutex semaphore and spinlock
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Q3. How you will achieve multi threaded programming
Ans. 
Multi-threaded programming can be achieved by creating multiple threads that run concurrently.
• Identify the tasks that can be executed in parallel

• Create threads using threading libraries in the chosen programming language

• Synchronize the threads to avoid race conditions and deadlocks

• Use locks, semaphores, and mutexes to manage shared resources

• Optimize the performance by balancing the workload among threads
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Q1. Why you want to join this company
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OS Networks C Programming Aptitude Mcqs

Two Coding questions and were of medium to hard level.

Q1. Questions related to ipc
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Q2. Question on data structures
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Q3. Some on arm architecture
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Q1. Ofdm, Fixed point, sampling theorem, digital filters,
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Q2. Previous work clarity
Ans. 
Previous work clarity is essential for successful collaboration and understanding of project requirements.
• Clearly explain the projects you have worked on in the past, including your role and responsibilities

• Provide examples of how you communicated with team members to ensure clarity in project goals

• Discuss any challenges you faced in previous projects and how you overcame them
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Q1. Fft, ofdm, CP, sampling theorem, previous experience,
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Q2. C basics, memory layout, function pointer, big small endian, bit manipulation, zero padding in structures
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Bit manipulation, memory layout, interrupts, semaphore mutex, implement memcpy, sorting, algo to share resource equally

Q1. Previous work experience, general attitude
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