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KLA Hardware Engineer Interview Questions and Answers

Updated 23 Oct 2024

KLA Hardware Engineer Interview Experiences

1 interview found

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Was asked details of scanning electron microscopy

Interview Preparation Tips

Interview preparation tips for other job seekers - Have good basis of optical and scanning electron microscopes

Interview questions from similar companies

Interview Preparation Tips

Round: Test
Experience: Multiple choice questions divided into three sections:
a) General aptitude
b) C programming
c) Electronics

Round: Technical Interview
Experience: Technical interview 1 : My first round interview was at the digital panel (there was another panel for analog). The questions were mainly focused on basic digital electronics and VHDL coding. Also some puzzles which required simple logical thinking.
3. Technical interview 2 : The second round had questions from basics of VLSI design, setup and hold time, etc.

Round: HR Interview
Experience: The HR interview was more of a formality and included the usual questions.

General Tips: The overall experience was challenging as well as rewarding. All the interviewers were very nice and polite and made me comfortable. Make sure to mention the topics of your interest at the beginning of the interview. Be prepared to explain the projects mentioned in your resume. If you are not sure of the answer to a question, explain to the interviewer your approach to the question as he may guide you to the correct answer. They gave more importance to problem solving approach than accurate answers.
Job profile offered – Hardware Engineer Given an opportunity to ask something to the company people, feel free to ask for more details of the profile offered and the kind of work that the profile demands.
Skill Tips: Most of the questions test your knowledge of the fundamentals of the subjects. Once your basics are strong you can easily crack the interview.
The earlier you start your preparations, you have better chances of getting through. Find some time to prepare during the summer vacation as it can earn you a great advantage. Don’t get nervous during the interview and always have a pleasant smile.
Skills:
College Name: NIT Surathkal

Interview Preparation Tips

Round: Test
Experience: Online Test(around 130 students):General Aptitude,C-Aptitude,Technical Section(ECE).

Round: Technical Interview
Experience: Technical Interview 1 (18 students): In this interview I was asked about basic analog electronics,fliters based on OpAmps and frequency response of RLC circuits.I was also asked to explain about my intern projects in this round.
3.Technical Interview 2 (8 students): This round covered basics of Digital System Design and realizing boolean expressions using MOSFET'S (basic VLSI)

Round: HR Interview
Experience: This round was just a formality to ensure that I am truly interested in the company.

General Tips: "1.Always explain each step while giving your answer. Your approach is more important than the final answer itself.
2. Know your basics in electronics well. This will help you to solve any question.
3. Be confident throughout the interview.
4. Highlight any important project in your resume especially those related to electronics."
Focus on reviewing your basics in Digital System Design, Circuit Theory and Linear Integrated Circuits. Also spend some time on studying the basics of VLSI.
Go through concepts of trees, linked lists, sorting and complexity of algorithms which will help in the online test.
Skill Tips: 1.For general aptitude the book 'Quantitative Aptitude by RS Aggarwal' should be helpful.
2.For C-Aptitude 'Let us C' by Yashwanth P Kanetkar helped me to revise the basics of C programming and the book 'Data Structures in C' by AM Padma Reddy helped for understanding the basics of linked lists and trees.
3. For the technical questions going through any basic analog and digital electronics book will suffice.
Skills:
College Name: NIT Surathkal

I was interviewed in Sep 2017.

Interview Questionnaire 

5 Questions

  • Q1. How is overlap-add implemented?
  • Ans. 

    Overlap-add is implemented by dividing the input signal into overlapping segments, applying a window function, and adding the segments together.

    • Overlap-add is a method used in digital signal processing to efficiently convolve long signals with finite impulse response (FIR) filters.

    • The input signal is divided into overlapping segments, typically with a length equal to the filter length.

    • A window function, such as the Ham...

  • Answered by AI
  • Q2. Obtain the Nyquist criterion.
  • Ans. 

    The Nyquist criterion states that in order to accurately sample a signal, the sampling rate must be at least twice the highest frequency component of the signal.

    • The Nyquist criterion is used in digital signal processing to prevent aliasing.

    • It ensures that the sampling rate is sufficient to capture all the information in the signal.

    • The criterion is based on the concept of the Nyquist frequency, which is half the samplin...

  • Answered by AI
  • Q3. How do you demodulate a QAM signal?
  • Ans. 

    Demodulating a QAM signal involves separating the amplitude and phase components to recover the original data.

    • QAM signals combine amplitude and phase modulation

    • Demodulation involves separating the amplitude and phase components

    • Techniques like coherent demodulation and quadrature demodulation are used

    • Coherent demodulation uses a local oscillator to recover the phase component

    • Quadrature demodulation separates the in-phas

  • Answered by AI
  • Q4. How do you implement interpolation in discrete-time domain?
  • Ans. 

    Interpolation in discrete-time domain involves estimating values between known data points.

    • Interpolation is used to fill in missing data or estimate values between known data points.

    • Common interpolation methods include linear interpolation, polynomial interpolation, and spline interpolation.

    • Linear interpolation calculates values by drawing a straight line between two adjacent data points.

    • Polynomial interpolation uses a...

  • Answered by AI
  • Q5. If you were given an intern in Hyderabad, would you take it?
  • Ans. 

    Yes, I would take the intern in Hyderabad to mentor and guide them in their learning journey.

    • Taking an intern can provide an opportunity to mentor and guide a budding engineer.

    • It can also help in delegating tasks and projects, allowing for more productivity.

    • Having an intern can bring fresh perspectives and ideas to the team.

    • Interns can also assist in research and development projects, aiding in innovation.

    • Supervising a...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: There were 20 questions in each section and 30 minutes for each. Aptitude was fairly difficult due to time. The remaining two sections had a lot of questions with unfamiliar concepts, like linked lists and digital communications. However, the questions were easy otherwise.
Tips: Practice aptitude questions to increase speed of solving.
Duration: 1 hour 30 minutes
Total Questions: 60

Round: HR Interview
Experience: The interviewer was friendly and asked only if I was interested in a Communications intern in Hyderabad. He didn't ask any of the typical HR questions.

College Name: IIT Madras

Interview Preparation Tips

Round: Test
Duration: 1 hour

Round: Stress Interview
Experience: Baisc concepts that every electronics student must know about. (Like MOSFET, verilog concepts) But they test u in really detail so u need to be thorough with it concepts if u need to clear this round. They expect very accurate, precise and correct answers

Round: Technical Interview
Experience: U should be thorough with verilog concepts as well as everything related to digital systems.
Tips: Know ur subjects well. Be confident and prove that ur worth hiring. They might intimidate you but be confident about your answers. :)

Round: HR Interview
Experience: Resume related. Doing good projects and internships always help.

College Name: BITS Pilani

I applied via Campus Placement

Interview Preparation Tips

Round: Test
Experience: All Sections have negative marking.Aptitude part was easy and I felt Programming some tough as I was not accustomed to terms in coding.Third section has different profiles 1)Hardware(circuits and digital electronics) 2)Communication 3)Software.I appeared for Hardware and I felt the paper was lengthy as it has 20 questions and only 30 minutes to solve and it was tough.It was based on concepts like analog circuits,digital circuits,computer architecture.
Tips: For aptitude general prep is enough.
Section 3 plays important role.So you must be clear about related topics to answer.
Be relaxed and try to answer known questions leaving unknown behind.
Duration: 90 minutes
Total Questions: 60

Round: Technical Interview
Experience: I was selected for Hardware partas I applied for it.
Basic questions on circuits and digital systems were asked..
Some about diodes and its basic functions.
Digital questions on counters and decoders were asked.
Tips: Be confident on what you know and try to prove you were strong in particular area.
Questions were easy if u have prepared even a little bit.

Round: HR Interview
Experience: They ask about your interests and your future plans and what are you expecting from your job.They want to know are you flexible to do and learn any subject.
They ask what do you know about company.
Tips: Don't get nervous . Always keep your attitude up but don't be arrogant .
Learn something about Qualcomm like their products etc..

General Tips: Know your basics in electronics well.
Be confident throughout the interview.
Skill Tips: Prepare well about circuits.
Skills: Analog And Digital Knowledge
Duration: 2
College Name: IIT Madras
Motivation: I was interested in Electronics and Qualcomm would be a great place to work in Electronics.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
More than 8 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Feb 2024. There were 3 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. What were your previous projects that you have worked on
  • Ans. 

    I have worked on projects related to developing software for autonomous vehicles and implementing machine learning algorithms for predictive maintenance.

    • Developed software for autonomous vehicles to improve navigation and obstacle avoidance

    • Implemented machine learning algorithms for predictive maintenance in manufacturing plants

    • Collaborated with cross-functional teams to integrate new technologies into existing systems

  • Answered by AI
  • Q2. What all your technical skills and stacks that you have previously used for your projects
  • Ans. 

    I have experience with Java, Python, SQL, AWS, Docker, and Kubernetes in my previous projects.

    • Java

    • Python

    • SQL

    • AWS

    • Docker

    • Kubernetes

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. What is docker and why do we use it for containerising applications
  • Ans. 

    Docker is a platform for developing, shipping, and running applications in containers.

    • Docker allows applications to be isolated in containers, making them portable and easy to deploy across different environments.

    • Containers share the host OS kernel but run as isolated processes, providing lightweight and efficient virtualization.

    • Docker simplifies the process of packaging applications and their dependencies, ensuring co...

  • Answered by AI
  • Q2. What is database normalisation and how your project benefited from it in the past
  • Ans. 

    Database normalization is the process of organizing data in a database to reduce redundancy and improve data integrity.

    • Database normalization involves breaking down data into smaller, more manageable tables and defining relationships between them.

    • It helps in reducing data redundancy, improving data integrity, and making the database more efficient.

    • For example, in a project I worked on, we normalized the database by spl...

  • Answered by AI
Round 3 - Technical 

(2 Questions)

  • Q1. What has been your experience with challenging projects
  • Ans. 

    I have extensive experience working on challenging projects in various industries.

    • Led a team in developing a complex software solution for a major client

    • Managed a project with tight deadlines and limited resources

    • Implemented innovative solutions to overcome technical obstacles

    • Collaborated with cross-functional teams to deliver successful outcomes

  • Answered by AI
  • Q2. How would you approach learning about new domain and technologies with a different background
  • Ans. 

    I would approach learning about new domain and technologies with a different background by leveraging my existing skills, seeking out resources, and collaborating with experts in the field.

    • Identify key concepts and terminology in the new domain

    • Seek out online courses, tutorials, and books to gain foundational knowledge

    • Collaborate with colleagues or mentors who have experience in the new domain

    • Experiment with hands-on p...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Micron Technology Senior Engineer interview:
  • IT Projects
  • Python
  • Reactjs
  • Django
  • Databases
Interview preparation tips for other job seekers - Prepare well on your skillsets and domain knowledge to defend your skills in front of the interviewer well

Skills evaluated in this interview

Interview experience
1
Bad
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Not Selected

I was interviewed before Feb 2024.

Round 1 - Technical 

(2 Questions)

  • Q1. NX tool test given
  • Q2. Technical round with interviewers
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed before Apr 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

Digital Electronics, CMOS, Aptitude, C programming

Round 2 - Technical 

(1 Question)

  • Q1. Verilog, VLSI Design Flow, CMOS basics
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Jun 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Basic ece ques and apti

Round 2 - Technical 

(2 Questions)

  • Q1. What are flip flops and latches
  • Ans. 

    Flip flops and latches are sequential logic circuits used in digital electronics to store and transfer data.

    • Flip flops are clocked circuits that store one bit of data, while latches are level-sensitive circuits that store data as long as the enable signal is active.

    • Flip flops are edge-triggered, meaning they change state on a clock edge, while latches are level-triggered, changing state as long as the enable signal is ...

  • Answered by AI
  • Q2. Verilog projects

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare well gate sub digital and verilog
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KLA Interview FAQs

How many rounds are there in KLA Hardware Engineer interview?
KLA interview process usually has 1 rounds. The most common rounds in the KLA interview process are Aptitude Test.

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