KLA Senior Software Engineer Interview Questions and Answers

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
Ans. 
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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Q1. C questions on oops concepts
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Q2. Python and ml questions
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Q1. Salary discussion
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Q1. Explain your recent projects from your resume
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Q1. Add a node to the head of linked list
Ans. 
To add a node to the head of a linked list, create a new node, set its next pointer to the current head, and update the head pointer to the new node.
• Create a new node with the desired data

• Set the new node's next pointer to the current head of the linked list

• Update the head pointer to point to the new node
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Q1. Some basic c questions
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2 hours Hackerrank test, after qualifying that 2 technical rounds and 1 HR round

Q1. 1. Dynamic Programming Question to get the min path.
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Q2. 2. Bit manipulation questions, like find missing number in an range.
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Q1. 1. Os vitualization is asked based on your resume
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Q2. 2. C pointes 3. hasmap
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Q3. 4. Questions based on your resume
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Q1. Dsa questions , angular , .net core and SQL
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