KLA Test Lead Interview Questions and Answers

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Q1. C programming question
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Q2. VLSI design questions
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Q3. Setup time analysis
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Q4. Hold time analysis
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Q5. Test patter generation
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Q1. What is SDLC and expalin its steps
Ans. 
SDLC stands for Software Development Life Cycle, which is a process used by software development teams to design, develop, and test high-quality software.
• 1. Planning: Define the scope, requirements, and objectives of the project.

• 2. Analysis: Gather and analyze user requirements.

• 3. Design: Create a detailed design plan for the software.

• 4. Implementation: Develop the software based on the design plan.

• 5. Testing: Test the...read more
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Q2. Regression testing and real time example
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Regression testing is retesting of software to ensure new changes do not negatively impact existing functionality.
• Regression testing is performed to verify that recent code changes have not adversely affected existing features.

• It involves running previously executed test cases to ensure that no new bugs have been introduced.

• Example: After adding a new feature to a website, regression testing is done to make sure all ex...read more
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30 mins 2 easy leetcode questions

Q1. Swap two numbers
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To swap two numbers, store one number in a temporary variable, assign the value of the second number to the first, and then assign the temporary variable to the second number.
• Create a temporary variable to store one of the numbers

• Assign the value of the second number to the first number

• Assign the value of the temporary variable to the second number
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Q2. Longest cinsecutive subsequence
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Find the longest consecutive subsequence in an array of strings.
• Sort the array of strings to ensure consecutive elements are next to each other

• Iterate through the sorted array to find the longest consecutive subsequence

• Track the current consecutive subsequence length and update the longest length found
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Manual, automation questions, java, c#

Code given for writing

Q1. Salary discussion
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Q1. Basic Fundamentals, Data structures and algorithm
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Q1. What are the new locators available in selenium 4? What is the difference between HashMap and Concurrent HashMap? Current Roles and Responsibilities? Java programming questions on left shift array
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Nearly 90 questions. 1.30 hr.

Q1. Explain CMOS inverter?
Ans. 
CMOS inverter is a type of digital logic gate that implements logical NOT operation.
• CMOS inverter consists of a PMOS transistor connected in series with an NMOS transistor.

• When input is high, PMOS conducts and NMOS is off, output is low.

• When input is low, NMOS conducts and PMOS is off, output is high.

• CMOS inverters are widely used in digital circuits for logic operations.

• Example: Inverter gate in a CMOS technology-base
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Q2. Coding question based on min distance from top to bottom in a pyramid.
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1) linked lists
2) max element in list
3) fibbonacci
4) recursion
5) check if ip addr is valid

Q1. Preffered locations
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Q2. Salary negotiation
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