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Samsung R&D Hardware Interview Questions and Answers
7 Interview questions
To divide the frequency of the clock by three, use a counter with a divide-by-three function.
Use a counter IC with a divide-by-three function
Connect the clock signal to the counter input
Use the output of the counter as the new clock signal
FSM stands for Finite State Machine. Mealy and Moore machines are two types of FSMs with differences in output.
FSM is a mathematical model used to describe the behavior of a system with a finite number of states.
Mealy machines produce outputs based on both the current state and the inputs.
Moore machines produce outputs based only on the current state.
Mealy machines have more flexibility in generating outputs, whil...
The current equation of a MOS transistor describes its behavior in both saturation and linear regions.
The current equation in saturation region is given by Ids = 0.5 * k * (Vgs - Vth)^2
The current equation in linear region is given by Ids = k * ((Vgs - Vth) * Vds - 0.5 * Vds^2)
Ids represents the drain current, Vgs is the gate-to-source voltage, Vth is the threshold voltage, Vds is the drain-to-source voltage, and ...
To divide the frequency of the clock by two, use a flip-flop circuit.
Use a D flip-flop or a JK flip-flop.
Connect the output of the flip-flop to the input of the clock signal.
The output of the flip-flop will be half the frequency of the input clock signal.
FPGA stands for Field Programmable Gate Array. It is a type of integrated circuit that can be programmed after manufacturing.
FPGAs offer flexibility and can be reprogrammed for different applications
They can be used to accelerate certain tasks such as image processing or cryptography
FPGAs can be more power-efficient than traditional CPUs for certain applications
Examples of FPGA manufacturers include Xilinx and Int...
Answering a question about CMOS inverter circuit and its transfer characteristics.
The CMOS inverter circuit consists of a PMOS and an NMOS transistor connected in series.
The transfer characteristics of the inverter can be derived by plotting the output voltage against the input voltage.
The regions of operation of the inverter are the cutoff region, the linear region, and the saturation region.
In the cutoff region,...
CMOS is a type of semiconductor technology used in digital circuits.
CMOS stands for Complementary Metal-Oxide-Semiconductor.
It uses both p-type and n-type MOSFETs to achieve low power consumption and high noise immunity.
Advantages include low power consumption, high noise immunity, and compatibility with digital circuits.
Disadvantages include higher cost and lower speed compared to other technologies.
BJT (Bipolar ...
Samsung R&D Hardware Interview Experiences
2 interviews found
Jayadeep Kumar
Interview Questionnaire
2 Questions
- Q1. Tech interviews
- Q2. Tech interview 2
Interview Preparation Tips
Experience: Tested basic apti questions.Test platform was cocubes,we need to solve 60 questions in 60 minutes,contains verbal ,logical reasoning and quant sections(20 questions in each section). Logical reasoning questions are a bit tricky,read the problem carefully ,and wisely select an answer.I felt verbal very easy ,answered 15 questions in the section in 5 min, (I attempted it at the last,so there no time left to solve remaining 5) but most of my friends expressed lot of difficultly in attempting those questions.If one feels that he has good proficiency in English ,he should attempt verbal first because probability of scoring is huge. Quantitative aptitude in the last section are general questions ,one may find it very difficult to answer these questions if he has no sufficient practice earlier.
Tips: keep practicing different types of problems otherwise it will be very difficult to clear the round.In my class many 8,9 pointers didn't clear this round disqualifying them from writing next round.I think there is minimum cutoff in each section to clear this round,I don't know the exact split-up of min. cutoffs in each section. So,attempt atleast 12-13 questions from each section to augment your chances of getting shortlisted.
Duration: 60min minutes
Total Questions: 60
Round: Test
Experience: People who ever cleared aptitude round are eligible for tech round.In tech round one can choose either of profile he is interested in.There are two profiles available, software and hardware.My choice of interest is HARDWARE.
Most of the questions are aimed to test your basics in digital ,analog.Questions are of mediocre level ,one should not take more than a minute to solve the question.Many of them dealt with basic RLC circuits,nmos,pmos transistors.
Tips: one need not to be a great scholar to clear this round,questions are not very difficult.A student who is in constant touch with the subject will find the paper very easy.
Duration: 30 minutes
Total Questions: 30
Round: Technical Interview
Experience: The interviewer is very friendly,he is very patient.He clarified all my doubts about the company without a slight hint of impatience or anger on his face.I found it very easy to clear this round.All the questions are mostly based on verilog,basic digital circuits like flipflops,counters.
Tips: Try to solve each question he asks in different ways no. of ways possible.This will surely impress him,gets him to know your proficiency in the subject.This helps you stand apart from other students (I already mentioned that questions are very easy, everybody will be able to answer them,so your method of problem solving should be very clear and comprehensive, it should let know the interviewer know that you are very strong in the subject).
Round: Technical Interview
Experience: In our campus out of 20 ,only 10 are selected from technical round1 to tech round2.I seemed a bit like a stress interview to me.The interviewer crossed questioned me every time I answered something.There was no smile on his face at all,whatever u answer he listens it with a blank face,literally all kinds of expressions are absent on his countenance.This made me tense a little bit.All the questions asked are of higher level,topics covered are more or less same as the first tech interview .I encountered questions like how to design a 5 bit counter,energy band diagrams in mosfet,scaling concepts in mosfet ,a C programming question (very easy one, I forgot that thing ),other basic stuff.He asked me why there are fluctuations in my CGPA (I am an eight pointer) ,my strengths and weakness ,why samsung not other companies?,which subjects u like the most etc.
Tips: For samsung CGPA matters alot,so maintain your cgpa above 8 to be on safe side,revise all the concepts properly before interview,be confident,there should be no grammar mistakes in your conversation.
Round: HR Interview
Experience: I received a call for Hr interview as soon as I finished my 2nd tech interview.So,I am very confident that I will be surely selected (for others there is delay between tech and hr interviews,some half-an-hour,I received call with in 2 minutes). He asked me basic HR questions like:
1.introduce yourself,strengths and weakness
2.Justify them.
3.Why job ,no MS ?
4.how can I believe in you that u will not leave the job after 2 years ?(these questions arose because of my CGPA, but don't think having low CGPA is an advantage ,samsung won't even consider low gpa guys,so be ready with an answer)
5.stream u r interested in,why?
Tips: my sincere advice is, don't ask him any thing about company sponsoring high education programmes or MS related questions.I asked such stupid questions and landed into problems.Because of that my interview went for 45 minutes ,otherwise it would have been finished in 15 minutes(thank god! All my instincts worked fine at the moment,so I successfully diverted the topic). Don't mess up things ,If he asks something about which u have no idea ,confess that u have no clue about it,don't fake things (don't try to deceive him ,he will easily figure out). Prepare your CV properly,don't exaggerate certain things of which u have only little idea.Explanation about your projects should be very clear.
Skills:
College Name: NIT Tiruchirappalli
Moazzam Hussain
Interview Questionnaire
22 Questions
- Q1. How to divide the frequency of the clock by two?
- Q2. How to divide the frequency of the clock by three?
- Q3. What is FSM and explain the differences between the Mealy and Moore machines?
- Ans.
FSM stands for Finite State Machine. Mealy and Moore machines are two types of FSMs with differences in output.
FSM is a mathematical model used to describe the behavior of a system with a finite number of states.
Mealy machines produce outputs based on both the current state and the inputs.
Moore machines produce outputs based only on the current state.
Mealy machines have more flexibility in generating outputs, while Moo...
- Q4. Design a sequential circuit to detect a sequence 001001?Explain it?How can you reduce the minimum number of states in this design?
- Ans.
Design a sequential circuit to detect the sequence 001001 and reduce the minimum number of states.
Use a state diagram to visualize the circuit
Implement the circuit using flip-flops and logic gates
Use Karnaugh maps to simplify the circuit
Consider using a Mealy or Moore machine
- Q5. I was asked two simple puzzles too!
- Q6. I was asked questions on my project.The tools I used,the design etc
- Q7. What is FPGA and what are its advantages?
- Ans.
FPGA stands for Field Programmable Gate Array. It is a type of integrated circuit that can be programmed after manufacturing.
FPGAs offer flexibility and can be reprogrammed for different applications
They can be used to accelerate certain tasks such as image processing or cryptography
FPGAs can be more power-efficient than traditional CPUs for certain applications
Examples of FPGA manufacturers include Xilinx and Intel (f...
- Q8. What is CMOS?Why CMOS?Distinguish the advantages and disadvantages of it?compare it with BJT
- Q9. Draw the CMOS inverter circuit and derive the transfer characteristics of inverter.What are the regions of operations of it?
- Q10. Derive the current equation of MOS transistor current equations?Both saturation and linear regions!
- Ans.
The current equation of a MOS transistor describes its behavior in both saturation and linear regions.
The current equation in saturation region is given by Ids = 0.5 * k * (Vgs - Vth)^2
The current equation in linear region is given by Ids = k * ((Vgs - Vth) * Vds - 0.5 * Vds^2)
Ids represents the drain current, Vgs is the gate-to-source voltage, Vth is the threshold voltage, Vds is the drain-to-source voltage, and k is ...
- Q11. Questions on L-C-R circuits
- Q12. Questions on flipflops?Like Make a T flipflop from JK flipflop,D flipflop
- Q13. Questions on inductor and capacitor?Their differences?And few other related questions
- Q14. Tell me about yourself?
- Ans.
I am a highly skilled and experienced R&D Hardware professional with a passion for innovation and problem-solving.
I have a Bachelor's degree in Electrical Engineering and a Master's degree in R&D Hardware.
I have worked for 8 years in the R&D department of a leading technology company, where I designed and developed cutting-edge hardware solutions.
I am proficient in various hardware design tools and have a strong unders...
- Q15. Your strengths and weakness?
- Ans.
My strengths include problem-solving, attention to detail, and technical expertise. My weaknesses include public speaking and time management.
Strength: Problem-solving - I have a strong ability to analyze complex problems and find innovative solutions.
Strength: Attention to detail - I pay close attention to the smallest details to ensure accuracy and quality in my work.
Strength: Technical expertise - I have a deep unde...
- Q16. Why less CGPA even though mine is > 8?
- Ans.
The CGPA may be less due to various factors such as difficulty of courses, personal circumstances, or focus on practical skills.
CGPA is not the sole indicator of knowledge or skills.
The difficulty level of courses can vary, affecting the CGPA.
Personal circumstances like health issues or family problems can impact academic performance.
Some individuals may prioritize gaining practical skills over theoretical knowledge.
Ex...
- Q17. Why din't you attend the company PPT?
- Ans.
I was unable to attend the company PPT due to a scheduling conflict.
I had a prior commitment that could not be rescheduled.
I informed my supervisor in advance about my unavailability.
I requested for any materials or information shared during the PPT to be shared with me afterwards.
I made sure to catch up on the content of the PPT through discussions with colleagues who attended.
- Q18. Why Samsung?
- Ans.
Samsung is a leading technology company known for its innovation, quality products, and global presence.
Samsung is a global leader in the technology industry.
They have a strong reputation for innovation and quality.
Samsung offers a wide range of products and services.
They have a strong R&D department dedicated to hardware development.
Samsung has a global presence and a strong market share.
They have a track record of su...
- Q19. Where is the head quarters of Samsung?
- Ans.
The headquarters of Samsung is located in Seoul, South Korea.
Samsung's headquarters is situated in the Gangnam District of Seoul.
The building is known as the Samsung Electronics Building.
It is a modern and iconic structure that reflects Samsung's innovative spirit.
The headquarters houses various departments and divisions of the company.
Samsung's headquarters is a hub for research, development, and decision-making.
- Q20. What are your dreams?Interests?passion?
- Ans.
My dreams are to innovate and create cutting-edge technology. My interests include robotics, artificial intelligence, and renewable energy. My passion lies in pushing the boundaries of what is possible.
Innovating and creating cutting-edge technology
Robotics
Artificial intelligence
Renewable energy
Pushing the boundaries of what is possible
- Q21. Are you okay with Bangalore?
- Ans.
Yes, I am okay with Bangalore.
I have lived in Bangalore for the past 5 years and I love the city.
I am familiar with the local culture, language, and transportation system.
I have a strong network of friends and professional contacts in Bangalore.
I have successfully completed several projects in Bangalore and have a good understanding of the local R&D hardware industry.
I am excited about the opportunities Bangalore offer...
- Q22. Tell me about your family and few more personal questions!
Interview Preparation Tips
Experience: The test consisted of 60 aptitude questions.They were divided into numerical,logical reasoning and English.Each of them having 20 questions.Basically those questions were easy to solve.You have to have enough practice to solve those in the required amount of time.I was able to solve 50 of them and since it had no negative marking I guessed the remaining.Overall the first round of test was not that tough!
The technical round was conducted immediately after the aptitude.It had 20 questions ranging from digital electronics, basics of CMOS and few network analysis problems.Overall it was not that hard.If you are good at the basics you can easily solve most of the questions.I was able to solve more than 15 questions.And of course no negative marking here too.overall it was a good experience.
Tips: 1.In first round numerical aptitude takes time to solve.So better solve them at last.
2.Technical test has more than enough time,so accuracy is the key here.
Duration: 60+45 minutes
Total Questions: 60+20
Round: Technical Interview
Experience: Well the interviewer was a very young guy.He tried helping me when I was stuck here and there.It lasted for about 60 mins and I was able to answer almost all of the questions.I was very satisfied with this round and was confident that I would be giving the next round of interview.
Tips: Just be confident and try to take your own time while explaining.
Round: Technical Interview
Experience: This round heavily focussed on CMOS circuits and its basics.I was well prepared for CMOS and so I was ready to face any questions.Overall I answered all of them and Of course I was given snacks in between :).I was very happy with my performance and I knew that this was my day.This round was about 60-70 mins duration.
Tips: Again just be confident and feel free to take help from the interviewers.
Round: HR Interview
Experience: Well it was a really good experience.I knew that this was my day and I just had to answer to the point and just talk anything that came
to my mind.I was really happy when they told me that I was selected.This round was about 30 mins duration.
Tips: It is just for a formality.All you have to do is show that you are passionate about the company and the profession!
Skills: 1)communication Skills, Digital Circuits, RC Circuits, CMOS Circuits
College Name: NIT Warangal
Skills evaluated in this interview
Top trending discussions
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Satyam Chaubey
I appeared for an interview in Aug 2016.
Interview Questionnaire
2 Questions
- Q1. Questions related to my project, questions on binary tree, questions from OS (like paging and scheduling). Interviewer also asked about competitive coding
- Q2. Formal questions regarding my background, family members etc
Interview Preparation Tips
Duration: 1 hour
Skills: General Coding And Problem Solving, Puzzle Solving Capability
College Name: NIT Jamshedpur
Harsh vardhan
Interview Questionnaire
1 Question
- Q1. What do you know about our company and why do you join it ?
- Ans.
I know that your company is a leading provider of innovative sales solutions in the industry. I am joining because of your strong reputation and commitment to excellence.
Your company has a proven track record of success in delivering top-notch sales solutions.
I am impressed by the innovative approach your company takes in the sales industry.
Your company's commitment to excellence and customer satisfaction aligns with m...
Interview Preparation Tips
Experience: I was told to tell me about my self. They checked my communication skills and my confidence level.
Tips: Be confident in this round about your self. And represent yourself in good professional way.
Round: HR Interview
Experience: In this round they were checking our knowledge and our homework that what we knew about them and their products. They were also checking that are we ready for learning and do we have potential or not.
Tips: Don't show that you know everything. Just talk point to point. So much Pre-requisite knowledge can be bad for you.
College Name: Galgotias University
I appeared for an interview before Jun 2016.
Interview Questionnaire
3 Questions
- Q1. How was yesterday ?
- Ans.
Yesterday was a productive day filled with meetings and project work.
Attended a team meeting in the morning
Worked on a project proposal in the afternoon
Had a networking event in the evening
- Q2. Why are letters in a keyboard placed like that ?
- Ans.
The letters on a keyboard are placed in a specific layout called QWERTY, which was designed to prevent typewriter jams.
The QWERTY layout was developed by Christopher Sholes in 1873 for typewriters.
The layout was designed to separate commonly used letters to reduce the likelihood of jamming.
The arrangement of letters was based on the frequency of their use in the English language.
The QWERTY layout became popular and was...
- Q3. What do you know about air conditioner ?
- Ans.
An air conditioner is a device that cools and dehumidifies the air in a room or building.
Air conditioners work by removing heat and moisture from the air.
They use a refrigeration cycle to cool the air.
Air conditioners can be used for both residential and commercial purposes.
They come in different types such as window units, split systems, and central air conditioning systems.
Air conditioners improve indoor air quality ...
Interview Preparation Tips
Experience: I was asked several question related to my cv and other general knowledge and technical questions to measure my suitablity for the job.
Skills: Communication, Excel Skills, Knowledge Of MS Office
College Name: Keshav Mahavidyalaya
Skills evaluated in this interview
I appeared for an interview in Oct 2016.
Interview Questionnaire
8 Questions
- Q1. C,C++, Programming Concepts
- Q2. Resume Based
- Q3. Puzzle Questions
- Q4. OS, Database, Networking, Computer Architecture based question
- Q5. Project Based- Briefs, Details
- Q6. What are your hobbies
- Ans.
My hobbies include hiking, playing guitar, and cooking.
Hiking: I enjoy exploring nature trails and challenging myself physically.
Playing guitar: I love learning new songs and improving my skills.
Cooking: I like experimenting with different recipes and creating delicious meals.
- Q7. Where do you see yourself in 5 years
- Ans.
In 5 years, I see myself as a senior software developer leading a team and working on complex projects.
Leading a team of developers
Working on complex projects
Continuously learning and improving my skills
Contributing to the growth and success of the company
- Q8. Why do you want to join DELL.
- Ans.
I want to join DELL because of their innovative technology solutions and strong reputation in the industry.
DELL is known for their cutting-edge technology solutions which align with my passion for software development.
I admire DELL's strong reputation in the industry and their commitment to customer satisfaction.
I believe joining DELL will provide me with opportunities for growth and career advancement.
Interview Preparation Tips
Experience: CGPA>9.0
Skills: Technical Skills
College Name: KIIT University
I appeared for an interview in Jan 2017.
Interview Preparation Tips
Experience: All got different topics to discuss on gd.
Tips: Plan before you speak. Be sure whether you are to or against.
Duration: 5 minutes
Round: Test
Experience: More questions on blood relationship, ages
Tips: Os db on technical
Duration: 1 hour
Skills: Technical Questions, Manage A Difficult Situation, Technical Knowledge(ML
I appeared for an interview in Sep 2016.
Interview Preparation Tips
Experience: There was an online test having 3 section, one for aptitude testing, one for logical testing and the last one for technical testing.
Aptitude and logical questions were very basic.
Technical questions included : C C++ Java DS DBMS DAA
Tips: For aptitude and logical part, you need to prepare regularly. Nothing comes out of the box, but you just have to be quick in solving the questions.
For the technical part, prepare well by revising your course materials. Basic one word questions are asked.
Duration: 1 hour
Total Questions: 60
Round: Coding
Experience: This round consists of multiple sets of coding. One question per paper. It's on your luck, which question you'll get. Also,net is allowed. You have to complete the code and show it to the invigilator.
Tips: This round is generally not there in placement drives of DELL. It is on your luck.
Skills: Communication, Data Structures, Basic Knowledge Of DBMS
College Name: Manipal University Jaipur
I appeared for an interview in May 2017.
Interview Questionnaire
4 Questions
- Q1. Why is string immutable
- Ans.
String is immutable because it ensures data integrity and allows for efficient memory management.
Immutable strings prevent accidental modification of data.
Immutable strings can be easily shared and reused, improving memory efficiency.
Immutable strings enable efficient string interning and caching.
Immutable strings support thread safety in concurrent environments.
- Q2. Do @requestparam has default value
- Ans.
Yes, @RequestParam has a default value if not specified.
If a @RequestParam is not provided in the request, it will use its default value.
The default value can be set using the 'defaultValue' attribute of @RequestParam annotation.
If no default value is specified, the parameter will be considered as required and an exception will be thrown if not provided.
- Q3. Singleton and prototype
- Q4. Why abstract class is required
- Ans.
Abstract classes are required to provide a common interface and share code among related classes.
Abstract classes allow for code reusability and promote modular design.
They provide a common interface for a group of related classes.
Abstract classes can define abstract methods that must be implemented by subclasses.
They can also provide default implementations for common methods.
Abstract classes cannot be instantiated, b...
Skills evaluated in this interview
I applied via Campus Placement and was interviewed before Sep 2019. There were 7 interview rounds.
Interview Questionnaire
5 Questions
- Q1. 1. About yourself
- Q2. 2. Why did you choose this job
- Ans.
I chose this job to leverage my passion for sales and connect with clients, driving growth for both the company and myself.
I have always been passionate about building relationships, and sales allows me to connect with diverse clients.
The dynamic nature of sales excites me; every day presents new challenges and opportunities to learn.
I enjoy the thrill of closing deals and the satisfaction of helping clients find solut...
- Q3. 3. Why did you choose oppo
- Ans.
I chose Oppo for its innovative technology, commitment to quality, and strong market presence in the smartphone industry.
Oppo's focus on camera technology aligns with my passion for photography, as seen in their Reno series.
The brand's commitment to user experience is evident in their ColorOS interface, which is intuitive and user-friendly.
Oppo's rapid growth in emerging markets showcases their adaptability and underst...
- Q4. 4. One region is Very bad and other region is good, which region you choose to work.
- Ans.
I would choose the good region to maximize sales potential and leverage positive momentum.
Higher sales potential: A good region likely has a more receptive market, leading to better sales opportunities.
Leverage existing success: Working in a successful region allows me to learn from best practices and replicate them.
Motivated team: A good region often has a motivated team, which can enhance collaboration and drive resu...
- Q5. 5. Goal in life
- Ans.
My goal in life is to continuously learn and grow, both personally and professionally, while making a positive impact on others.
Constantly seek opportunities for self-improvement and development
Set specific, achievable goals to work towards
Help and inspire others to reach their full potential
Strive to make a difference in the lives of those around me
Interview Preparation Tips
First round is simple aptitude
2nd round is Group discussion
3rd is Face to face interview
4th is panel interview
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