Marvell Semiconductors Applications Engineer Interview Questions and Answers

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Q1. Projects ,Protocols ,Network THEORY Transistor Questions
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Q1. Dsd , analog electronics circuit based questions were asked
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Q1. C programming from basics was asked using tricky pseudo codes
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Q1. 1. Tell me things not in your resume 2. Hobbies 3. Why I shouldn't Hire you 4. You like managerial or developer and why
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Q1. Can make a simple button debounce circuit ?
Ans. 
Yes, a simple button debounce circuit can be created using a resistor and a capacitor.
• Use a resistor and a capacitor in series with the button to create a low-pass filter.

• Connect the output of the filter to a Schmitt trigger to clean up the signal.

• Adjust the values of the resistor and capacitor to achieve the desired debounce time.

• Example: Use a 10k ohm resistor and a 0.1uF capacitor for a debounce time of 10ms.
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Q1. Write a structured embedded C program to read button input, remove glitches.
Ans. 
Program to read button input and remove glitches in embedded C.
• Use a state machine to debounce the button input.

• Implement a delay to filter out glitches.

• Consider using interrupts for efficient button handling.
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Q1. Do you have knowledge of Embedded systems?
Ans. 
Yes, I have knowledge of Embedded systems.
• Experience with programming microcontrollers such as Arduino, Raspberry Pi, or ESP8266

• Understanding of real-time operating systems (RTOS)

• Knowledge of communication protocols like SPI, I2C, UART

• Familiarity with embedded software development tools like Keil, MPLAB, or Arduino IDE
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Attitude round would be simple for a campus hiring you would be asked a couple of puzzles in case of campus hiring. It would be more elaborate 45 minutes duration.

Coding test would consist of life, putting in case of a campus interviews, in case of campus interviews is it would be mostly white board test.

Q1. There would be multiple technical round with the team members and the manager. The topic would be dependent on the experience of the candidate and the focus of the hiring team.
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Q1. Hey Sir, Roundwood, try to determine the candidates motivation for joining the company and his employment history along with the qualities like collaboration leadership, decision making.
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Q1. Work experience mentioned in resume
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Q1. Previous work-related question
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Q1. Why you wanted to join
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I wanted to join because of the challenging projects and opportunities for growth.
• Exciting projects that will push my skills to the next level

• Opportunities for career advancement and professional development

• Positive company culture and values align with my own

• Desire to work with a talented team and learn from experienced engineers
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Q2. Where do you see yourselves in 5 years
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In 5 years, I see myself as a senior staff engineer leading a team of talented individuals, contributing to innovative projects, and continuously learning and growing in my role.
• Leading a team of engineers

• Contributing to innovative projects

• Continuous learning and growth in role
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Q1. String Manipulation
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Q2. List of lists and table updation
Ans. 
Updating a list of lists and table in a structured manner.
• Create a list of lists to store multiple lists of data.

• Update the lists within the main list as needed.

• Use a table structure to organize and display the data.

• Update the table with the latest information from the lists.
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Q1. Write Amplification, Wear leveling basics
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Write amplification is the ratio of data written to the SSD to the actual data written by the host. Wear leveling is a technique to distribute write and erase cycles evenly across all blocks of flash memory.
• Write amplification is a measure of how much data is written to the SSD compared to the actual data written by the host.

• Wear leveling is a technique used to distribute write and erase cycles evenly across all blocks...read more
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Q2. SSD Architecture
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