XTEN-AV Senior Software Engineer Interview Questions and Answers

Q1. Basic Technical round of the skills mentioned in CV
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Q1. More detailed technical round regarding your project
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Q1. Why you want to join Harman
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Q2. Salary negotiation and client check
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Java oops concepts has been asked along code examples.
Leap year or not ?

Q1. WAP to check Power of 2
Ans. 
Check if a given number is a power of 2
• Check if the number is greater than 0

• Use bitwise AND operation to check if only one bit is set in the binary representation of the number

• If the result is 0, then the number is a power of 2
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Q2. RTOs task scheduling process
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Q3. Realtime Audio data handling, .wav format frame structure.
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Q1. Audio protocols - pdm , pcm , tdm , dmic
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Q2. Fft vs dft , usage of cimsis dsp
Ans. 
FFT is a faster algorithm for calculating DFT. CMSIS DSP is a library for signal processing on ARM Cortex-M processors.
• FFT is a more efficient algorithm for calculating the Discrete Fourier Transform (DFT).

• CMSIS DSP is a library provided by ARM for signal processing on Cortex-M processors.

• CMSIS DSP provides optimized functions for common signal processing tasks like filtering, FFT, and matrix operations.
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Q1. AngularJS based questions
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Q1. System architecture for microservices
Ans. 
System architecture for microservices involves breaking down a large application into smaller, independent services.
• Decompose large applications into smaller, independent services

• Use APIs for communication between services

• Implement service discovery and load balancing

• Utilize containers for deployment and scaling

• Monitor and manage services independently
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Q2. Highlevel design for tic tac toe
Ans. 
Tic Tac Toe game design using a 3x3 grid with players taking turns to place their mark (X or O) to win.
• Use a 3x3 grid to represent the game board

• Players take turns to place their mark (X or O) on an empty cell

• Check for winning conditions after each move (horizontal, vertical, diagonal)

• Handle tie game when all cells are filled without a winner
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Q1. Internal working of hashmap, java 8 features, sorting array program
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Q1. Spring boot annotations, sonar, junit
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Q1. Not remember, and anyways questions don't always remain same
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Q1. Don't want to disclose
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Not remember. it was old

Q1. Not remember, it was old
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Q1. Normal hr questions only
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