DXCorr Hardware Technologies Staff Engineer Interview Questions and Answers

Q1. Pcie project explain
Ans. 
PCIe project involves designing and implementing a Peripheral Component Interconnect Express interface for data transfer.
• PCIe stands for Peripheral Component Interconnect Express

• It is a high-speed serial computer expansion bus standard

• Commonly used in connecting hardware devices such as graphics cards, network cards, and storage devices
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Q2. Pcie layers about
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Q3. Complete pcie about?
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Interview is simple and easy... directly went to the in depth questions

Q1. Tell me about your previous experience? What is your current role? Do you have exposure to GD&T? What is the strongest GD&T control?
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Q1. What is the difference between your previous work experience? What are the challenges you faced when your roles changed?
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Leetcode easy problem based on binary search

Q1. Design Stock Notification System
Ans. 
Design a system to notify users about stock availability and changes.
• Create a database to store stock information and user preferences.

• Implement a notification system to alert users when stock levels change.

• Allow users to set preferences for specific products or thresholds.

• Consider using push notifications, emails, or SMS for notifications.

• Include a user interface for managing preferences and viewing stock information.
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Q2. Design Snake & Ladder Game
Ans. 
Design a Snake & Ladder game using arrays and logic.
• Create a 10x10 grid representing the game board.

• Assign positions for snakes and ladders on the board.

• Use arrays to store the positions of players and their movements.

• Implement logic for dice roll and player movement.

• Include win condition when a player reaches the final position.
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Q1. Round with Hiring Manager. OS Related questions.
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Basic coding, normal editor, windows

DSA-strings (advanced)

Q1. Discussion about role and projects.
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Q1. Design a key-value store.
Ans. 
A key-value store is a data storage system that allows users to store, retrieve, and manage data based on unique keys.
• Use a hash table data structure to store key-value pairs.

• Implement methods for adding, updating, and deleting key-value pairs.

• Include features like data replication, sharding, and data partitioning for scalability.

• Consider data consistency and fault tolerance mechanisms.

• Examples: Redis, MongoDB, Cassand
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Q1. C++ Related questions
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Coding round coding round coding round

Q1. How are you doing
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Q2. What is your name
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Q1. Find frequency in string
Ans. 
Find the frequency of each character in a given string.
• Iterate through the string and count the occurrences of each character

• Store the frequencies in a map or array

• Return the map or array with the frequencies
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Q2. Find second largest salary in a table
Ans. 
Use SQL query with ORDER BY and LIMIT to find second largest salary in a table.
• Use SQL query like SELECT DISTINCT salary FROM table_name ORDER BY salary DESC LIMIT 1,1

• Make sure to handle cases where there might be ties for the highest salary
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