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Advanced Micro Devices Hardware Engineer Interview Questions and Answers
Advanced Micro Devices Hardware Engineer Interview Experiences
1 interview found
Anonymous
I applied via Campus Placement and was interviewed in Jul 2022. There were 2 interview rounds.
Digital Electronics, verilog basics,C language basics,
(2 Questions)
- Q1. Project description, digital system design for start bit detector in UART
- Ans.
Designing a digital system for detecting start bit in UART communication
The start bit is the first bit in a UART transmission and is always a logic low
The system should sample the incoming data at a rate higher than the baud rate to accurately detect the start bit
A shift register can be used to store the incoming data and detect the start bit
The system should also check for framing errors and parity errors
- Q2. Project description, latch based circuit and flip flop based circuits, 1 puzzle
Interview Preparation Tips
Skills evaluated in this interview
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P VINEETH KUMAR
I applied via Campus Placement
Interview Preparation Tips
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.
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...
- 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...
- 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
- 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...
- 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...
Interview Preparation Tips
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
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
Interview Preparation Tips
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
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
Interview Preparation Tips
Experience: Pointer cut-off for this company was 8.5 and above. A written test for 50 marks which was subjective was conducted. Few were selected after the test.
Round: Technical Interview
Experience: Prepare Digital system design. VHDL coding(but they mainly concentrated on logic), Memory management (Cache and other things) .
General Tips: As it was 1 day process it was not that exhausting. But the hard work paid off. So it was a happy day. Their was lot of tension too during the process, not during my interview but looking at others performance. The competition is too much .The 1st and 2nd round was purely technical so it was challenging. HR was really chilled out.
Skill Tips: Try to be confident and dont fear the interviewers. They just try to put you in a difficult situation and see if you will be able to clear. But few interviewers will be very sweet. Never loose hope.
Skills:
College Name: NIT Surathkal
Interview Preparation Tips
Experience: Written round separate for Hardware and Software profiles for an hour each. You could write only one. Maybe around 100 from EC/EE attended the test as there was a pointer cutoff of 8.
Round: Technical Interview
Experience: 8 people selected from the Hardware profile.
General Tips: The overall experience was rewarding at the end of it, but it was an exhausting process. All the waiting about for your interviews and results will drain your mental energy. I had a four hour wait in the TNP for my name to be called for the tech interview (I was the last to be interviewed). Even though it helps that you can ask from the previous candidates about what transpired in their interview, the wait can get really tiring. Also, be sure that as the afternoon progresses, even the panelists get tired of successive interviews, so there is an added challenge to make sure to be noticed. The one advantage of late Tech and HR rounds was that I had to wait for a very less time for the results. But at last after getting the offer, nothing matters much.
For the test, there will be a variety of questions over the entire scope of digital electronics. Expect STA, CMOS Implementation, Comp. Arch. basics, Memory models (we had a cache latency question), sequential circuits and synchronization, and even a question on C coding. So go into the test with a thorough revision of the 4 courses: DSD, MP, VLSID and DECA. The C question will be a comparatively easy one.
For the technical interview, "We've already tested your basic technical skills in the test. We want to know more about what you've worked on." was the first statement from the interviewer. So be prepared to explain any of your projects listed in your resume in detail. It helps if you have some project related to Computer Architecture to speak on. Of course there will be one or two technical questions after to probe the depth of your knowledge.
Skill Tips: 1) No aptitude preparation at all. This wan't required also as nVIDIA is a core Electronics company.
2) Preparation for written test : Review of all digital electronics and related courses taken during three years of ECE (VLSID, DSD, MP, DECA).
3) Nothing of analog electronics or linear systems asked in the test. Exclude such preparation if you want to write the nVIDIA Hardware test.
4) Have at least one Computer Architecture related project in your resume and be ready to speak on it.
5) Knowledge of VHDL/Verilog is a huge plus.
Skills:
College Name: NIT Surathkal
jagannathan srinath
I applied via Campus Placement
Interview Preparation Tips
Experience: Had a decent CGPA (>8.5) and good number of projects. Also had good academic achievements (olympiads etc).
Tips: Keep resume crisp. Do not try to overdo the points to impress.
Round: Technical Interview
Experience: Found myself in trouble in quite a few questions. But took time, persevered and also had a clear rationale to choose this company.
Tips: Have good understanding of computer organization, Data Structures and Algorithms and digital circuits. Also be ready to answer few puzzles. DO NOT get flustered and persevere during interview.
Skill Tips: Be calm, confident and take time to understand the questions. Use first principles as often as possible.
Skills: 1)communication Skills, Computer Architecture, Basic Digital Logic, Algorithms And Data Structures
Duration: 2-3 months
College Name: IIT Madras
Interview Questionnaire
5 Questions
- Q1. Given a complex diagram, find out maximum frequency of operation
- Ans.
To determine maximum frequency of operation from a complex diagram
Identify the critical path in the diagram
Calculate the propagation delay of each component in the path
Use the formula fmax = 1 / (2 * propagation delay) to determine maximum frequency
Consider any setup or hold time requirements for flip-flops or other components
Ensure that the frequency is within the specifications of the components used
- Q2. Set-up time, old-up time
- Q3. Gates,mux encoders
- Q4. Questions related to relationship of resistivity and cross-section
- Q5. Min. size of buffer based on burst rate, input steam rate, output steam rate,latency rate, etc
- Ans.
The minimum size of buffer depends on burst rate, input/output stream rates, and latency rate.
Calculate the maximum amount of data that can be received during the latency period
Determine the maximum burst rate and the maximum input/output stream rates
Calculate the buffer size using the formula: buffer size = (maximum burst rate * latency period) + maximum input/output stream rates
Consider adding extra buffer space for
Interview Preparation Tips
College Name: IIT Madras
Skills evaluated in this interview
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