Indian Institute of Technology (IIT), Chennai
Chennai, Tamil Nadu
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Filter interviews byIndian Institute of Technology (IIT), Chennai Placement Interview Questions
Updated
4 Dec 2024
19 interviews found
Digital + Signal Processing Interview Questions
Deepali Garg
posted on 28 Aug 2016
I applied via Campus Placement
4 Interview Rounds
Interview Preparation Tips
Round: Test
Experience: The test covered all good topics of the subjects, were interesting to solve, and could be completed in time. the aptitude questions were logical.
Tips: Maintain your pace and concentration since starting so that you can finish all questions with satisfaction and confidence. Questions aren't that difficult to solve if you have clear basic knowledge of the subject.
Duration: 210 minutes
Total Questions: 80
Round: Technical Interview
Experience: The interviewer was more interested in my way of approach rather than the answer, which is quite helpful. As the questions were something which anyone could answer, may be my approach is something which gave me a lead.
Tips: Be calm, its ok to not know an answer just explain the way you are proceeding and think out loud. It need not neccesarily be a very high funda thing, be honest with your thought process, don't fake it to be very high funda, keep it simple instead.
Round: HR Interview
Experience: The HR was quite frank and made me feel comfortable. She started a conversation rather than an Q/A session.
Tips: Just be yourself, and talk as much as you can. they try to judge your character within that limited time, and honesty is something given a lot of importance. Try to link questions to your stories - your life incidences which are on the lines of thee questions. Don't sound confused when asked questions such as - Why TI ? or Do you want to pursue research?
Have a clear idea of what you have done in life ( at least for what mentioned in resume) , should imply that you have made a choice, or given decent though for pursuing something. Maintain eye contact, be calm, and confident.
General Tips: Be confident and be yourself
Skill Tips: Know your subjects, brush them up if required.
Skills:
Duration: 2
College Name: IIT Madras
Motivation: Leaders in semiconductors
Funny Moments: When my HR asked me if there is somethi
Experience: The test covered all good topics of the subjects, were interesting to solve, and could be completed in time. the aptitude questions were logical.
Tips: Maintain your pace and concentration since starting so that you can finish all questions with satisfaction and confidence. Questions aren't that difficult to solve if you have clear basic knowledge of the subject.
Duration: 210 minutes
Total Questions: 80
Round: Technical Interview
Experience: The interviewer was more interested in my way of approach rather than the answer, which is quite helpful. As the questions were something which anyone could answer, may be my approach is something which gave me a lead.
Tips: Be calm, its ok to not know an answer just explain the way you are proceeding and think out loud. It need not neccesarily be a very high funda thing, be honest with your thought process, don't fake it to be very high funda, keep it simple instead.
Round: HR Interview
Experience: The HR was quite frank and made me feel comfortable. She started a conversation rather than an Q/A session.
Tips: Just be yourself, and talk as much as you can. they try to judge your character within that limited time, and honesty is something given a lot of importance. Try to link questions to your stories - your life incidences which are on the lines of thee questions. Don't sound confused when asked questions such as - Why TI ? or Do you want to pursue research?
Have a clear idea of what you have done in life ( at least for what mentioned in resume) , should imply that you have made a choice, or given decent though for pursuing something. Maintain eye contact, be calm, and confident.
General Tips: Be confident and be yourself
Skill Tips: Know your subjects, brush them up if required.
Skills:
Duration: 2
College Name: IIT Madras
Motivation: Leaders in semiconductors
Funny Moments: When my HR asked me if there is somethi
I applied via Campus Placement
5 Interview Rounds
Interview Questions
- Q1. Circuit solving and finding the V-I charecteristics
- Q2. Resume questions
Interview Preparation Tips
Round: Test
Experience: Overall the test was easy. Each section carries 20 questions. with more emphasis on analog part i.e.., some of the questions in the digital involving the concepts of analog design. one could easily crack the test if they have basic knowledge in amplifiers, capacitors and bode plots and frequency responses
Tips: Go thorough through the basics of amplifiers and frequency response bode plots from digital signal processing as many questions are concentrated on them.
Duration: 2hrs minutes
Total Questions: 60
Round: Technical Interview
Experience: The questions asked were not highly but completely based on the basics of the subject. They test you on how much knowledge one has on the basics of the capacitor and inductor circuits along with amplifiers and negative feedback
Tips: My suggestion would be go through the EMC course as it from the basics for the interview and also have a look on networks and systems course if you are going to analog domain
Round: HR Interview
Experience: The HR round will be too peace. It was mainly based on the points you written in resume.
Tips: Before writing a point in resume think why you are writing that point what have you gained by doing that thing and also why have you done that thing.
Note: Know the meaning of your name and go to the HR round
General Tips: Go through the basics of circuit solving, rise time and fall time concepts.
Skills: Learning Capacity, Amplifier, Basic Electrical Engineering
Duration: 2
College Name: IIT Madras
Experience: Overall the test was easy. Each section carries 20 questions. with more emphasis on analog part i.e.., some of the questions in the digital involving the concepts of analog design. one could easily crack the test if they have basic knowledge in amplifiers, capacitors and bode plots and frequency responses
Tips: Go thorough through the basics of amplifiers and frequency response bode plots from digital signal processing as many questions are concentrated on them.
Duration: 2hrs minutes
Total Questions: 60
Round: Technical Interview
Experience: The questions asked were not highly but completely based on the basics of the subject. They test you on how much knowledge one has on the basics of the capacitor and inductor circuits along with amplifiers and negative feedback
Tips: My suggestion would be go through the EMC course as it from the basics for the interview and also have a look on networks and systems course if you are going to analog domain
Round: HR Interview
Experience: The HR round will be too peace. It was mainly based on the points you written in resume.
Tips: Before writing a point in resume think why you are writing that point what have you gained by doing that thing and also why have you done that thing.
Note: Know the meaning of your name and go to the HR round
General Tips: Go through the basics of circuit solving, rise time and fall time concepts.
Skills: Learning Capacity, Amplifier, Basic Electrical Engineering
Duration: 2
College Name: IIT Madras
I applied via Campus Placement
5 Interview Rounds
Interview Preparation Tips
Round: Resume Shortlist
Experience: Resume is not given any due importance in selection for further rounds . But honesty is very important as it counts once you are selected for HR round .
Tips: Try to be one hundred percent honest . And put your projects and course work in the beginning. They don't care your POR s and extra curricular activities.
Round: Test
Experience: Hardware - Questions are mainly from ELECTRICAL CIRCUITS (RLC ckts) , Analog ckts. Amplifiers , Opamps , digital system design . Aptitude section is very easy . Hardware section is tough .I felt Signal processing was easier , indeed I got selected for that profile .
Tips: Prepare thoroughly these courses :- EMC , DIGITAL SYSTEMS, NETWORKS AND SYSTEMS,ANALOG & DIGITAL SIGNAL PROCESSING , ANALOG CKTS COURSES .THAT SHOULD BE ENOUGH .
Duration: 90 - Signal Processing minutes
Total Questions: 120 - Hardware and aptitude
Round: Group Discussion
Experience: No
Tips: No
Duration: 2
College Name: IIT Madras
Experience: Resume is not given any due importance in selection for further rounds . But honesty is very important as it counts once you are selected for HR round .
Tips: Try to be one hundred percent honest . And put your projects and course work in the beginning. They don't care your POR s and extra curricular activities.
Round: Test
Experience: Hardware - Questions are mainly from ELECTRICAL CIRCUITS (RLC ckts) , Analog ckts. Amplifiers , Opamps , digital system design . Aptitude section is very easy . Hardware section is tough .I felt Signal processing was easier , indeed I got selected for that profile .
Tips: Prepare thoroughly these courses :- EMC , DIGITAL SYSTEMS, NETWORKS AND SYSTEMS,ANALOG & DIGITAL SIGNAL PROCESSING , ANALOG CKTS COURSES .THAT SHOULD BE ENOUGH .
Duration: 90 - Signal Processing minutes
Total Questions: 120 - Hardware and aptitude
Round: Group Discussion
Experience: No
Tips: No
Duration: 2
College Name: IIT Madras
I applied via Campus Placement
5 Interview Rounds
Interview Questions
- Q1. Basic question on sum of series of resistors in AP
- Q2. Question on circuit of 2 way switch
- Q3. A rectangular pulse was passed through a black box which destroys high frequency .How would output look?
- Q4. Question on finding minimum and kth minimum of array
- Q5. Can 4 equidistant points exist in space ?
- Q6. Why do you want to join this company?
- Q7. Who is your inspiration?
- Q8. What could you have done better in your life?
Interview Preparation Tips
Round: Test
Experience: I had applied for analog,digital and software profiles.Hence I had 4 sections.
Aptitude was pretty easy.All questions were straightforward.Easily solvable in time given.
Analog required knowledge of basic electrical circuits(RC,RLC(Series,parallel), Opamps and other basic theorems). They did ask questions on MOSFETS and BJT's which I did not know.
Digital was very vague. They asked very few question related to K-maps and Boolean algebra.They asked many circuit related questions.
Software required basic knowledge in C.
Tips: Revise Electric and Magnetic Circuits(all theorems),RC,RL and RLC circuits. Know about the step response/sinusoidal response, 3dB bandwidth, transfer functions ,Opamps and diodes
Duration: 165 mins minutes
Total Questions: 70
Round: Technical Interview
Experience: Pretty straightforward. Interviewer helps a bit. It always helps in verbally explaining the procedure out loud.
Tips: Basics should be thorough
Round: HR Interview
Experience: Pretty straightforward. Just answer to the point and be as truthful as possible
Skill Tips: Just be thorough in your basics.
Skills: Basic Concepts, Ability To Analyse
Duration: 2
College Name: IIT Madras
Motivation: I wanted to do in a core company. They were the first core company .So I applied.
Experience: I had applied for analog,digital and software profiles.Hence I had 4 sections.
Aptitude was pretty easy.All questions were straightforward.Easily solvable in time given.
Analog required knowledge of basic electrical circuits(RC,RLC(Series,parallel), Opamps and other basic theorems). They did ask questions on MOSFETS and BJT's which I did not know.
Digital was very vague. They asked very few question related to K-maps and Boolean algebra.They asked many circuit related questions.
Software required basic knowledge in C.
Tips: Revise Electric and Magnetic Circuits(all theorems),RC,RL and RLC circuits. Know about the step response/sinusoidal response, 3dB bandwidth, transfer functions ,Opamps and diodes
Duration: 165 mins minutes
Total Questions: 70
Round: Technical Interview
Experience: Pretty straightforward. Interviewer helps a bit. It always helps in verbally explaining the procedure out loud.
Tips: Basics should be thorough
Round: HR Interview
Experience: Pretty straightforward. Just answer to the point and be as truthful as possible
Skill Tips: Just be thorough in your basics.
Skills: Basic Concepts, Ability To Analyse
Duration: 2
College Name: IIT Madras
Motivation: I wanted to do in a core company. They were the first core company .So I applied.
I applied via Campus Placement
5 Interview Rounds
Interview Preparation Tips
Round: Resume Shortlist
Experience: They selected CSE and Elec students
Tips: In your resume, show interest in operating systems- related topic.
Round: Test
Experience: Aptitude mostly simple: puzzles, directions, patterns, etc. Technical are basic Elec and CSE questions.
Tips: Be alert. See patterns. Revise C programming.
Round: Technical Interview
Experience: Asked simple C Programming questions. Asked about BFS algorithm. Asked a little about computer organisation.
Tips: Be calm.
Round: HR Interview
Experience: Asked how the previous round was. Asked me why you want TI. Asked me to explain some practical applications of BFS, DFS in simple words.
Tips: Be truthful to the extent possible. Be friendly.
General Tips: Be calm. Take it seriously but don't stress out. Be thorough with basics.
Skill Tips: Be thorough with basics. Don't get nervous in the interview. It will not be very hard.
Skills: Computer Organisation, Basic Aptitude Topics Like Combinatorics, Basic C/C++
Duration: 2
College Name: IIT Madras
Motivation: It was one of the few companies open for me.
Funny Moments: None very funny.
Experience: They selected CSE and Elec students
Tips: In your resume, show interest in operating systems- related topic.
Round: Test
Experience: Aptitude mostly simple: puzzles, directions, patterns, etc. Technical are basic Elec and CSE questions.
Tips: Be alert. See patterns. Revise C programming.
Round: Technical Interview
Experience: Asked simple C Programming questions. Asked about BFS algorithm. Asked a little about computer organisation.
Tips: Be calm.
Round: HR Interview
Experience: Asked how the previous round was. Asked me why you want TI. Asked me to explain some practical applications of BFS, DFS in simple words.
Tips: Be truthful to the extent possible. Be friendly.
General Tips: Be calm. Take it seriously but don't stress out. Be thorough with basics.
Skill Tips: Be thorough with basics. Don't get nervous in the interview. It will not be very hard.
Skills: Computer Organisation, Basic Aptitude Topics Like Combinatorics, Basic C/C++
Duration: 2
College Name: IIT Madras
Motivation: It was one of the few companies open for me.
Funny Moments: None very funny.
I applied via Campus Placement
4 Interview Rounds
Interview Preparation Tips
Round: Test
Experience: was tough , since there were lots of questions from the topics i haven't studied.
Tips: prepare yourself before going to test......attempt only that part (analog/digital) which u have prepared .....this will save your time.
Duration: 90 minutes
Total Questions: 60
Round: Technical Interview
Experience: Was good . Questions asked were challenging and tricky , I answered most of them.
Tips: They will ask u the topics u know, then they will ask questions on that. They are very friendly so if u are stuck at some step ask them , they will help you.......asking is better than keeping quiet.
Round: HR Interview
Experience: Was very lite.
Tips: Just be yourself......selection mostly depends only on technical interview...so need not to worry about this.
Skills: Apptitude, analog and digital knowledge
Duration: 2
College Name: IIT Madras
Experience: was tough , since there were lots of questions from the topics i haven't studied.
Tips: prepare yourself before going to test......attempt only that part (analog/digital) which u have prepared .....this will save your time.
Duration: 90 minutes
Total Questions: 60
Round: Technical Interview
Experience: Was good . Questions asked were challenging and tricky , I answered most of them.
Tips: They will ask u the topics u know, then they will ask questions on that. They are very friendly so if u are stuck at some step ask them , they will help you.......asking is better than keeping quiet.
Round: HR Interview
Experience: Was very lite.
Tips: Just be yourself......selection mostly depends only on technical interview...so need not to worry about this.
Skills: Apptitude, analog and digital knowledge
Duration: 2
College Name: IIT Madras
I applied via Campus Placement
5 Interview Rounds
Interview Questions
- Q1. Implement a 3 bit asynchronous counter using T flip flops
- Q2. Questions on Verilog and VHDL coding. What is the always block used for?
- Q3. Circuit diagram of MUX and DEMUX using gates?
- Q4. Find factorial of a given number recursively
- Q5. Making a full adder using 2 half adders
- Q6. Reducing complexity of a given algorithm by suggesting a better one
- Q7. Why do you want to join Texas Instruments?
- Q8. What changes do you notice within you after coming to IIT?
- Q9. What are your hobbies?
- Q10. If I ask one of your friends about you, what response will I get?
- Q11. Tell something which your friends don't know about you
- Q12. Do you have a question for me?
- Q13. How was your technical round?
Interview Preparation Tips
Round: Test
Experience: The aptitude questions were easy. 100% score in the aptitude part won't be a problem.
The Analog part was tough. There were questions mostly on circuits with nMOS, pMOS and BJT. Also a lot of LCR circuit based questions were there.
The Digital part was moderate. Some basic logic questions, K-map solving, delay calculation were there.
Tips: I don't think any special preparation is required for the aptitude part. Also, during exam its good to start with the aptitude part.
For analog and digital part, proper knowledge of electric and magnetic circuits, analog circuits and digital circuits is required.
Duration: 2 hours minutes
Total Questions: 60
Round: Technical Interview
Experience: I got selected for the digital profile and so only questions related to digital circuits were asked to me. During the technical interview, the questions asked were easy and very basic. Just a quick revision of digital circuits course enabled me to answer most of the questions correctly.
Tips: Before going to the interview, make sure that you revise the digital circuits course, at least the basic part if not everything.
Round: HR Interview
Experience: The HR experience was awesome. Questions asked were interesting and I loved answering them.
Tips: Make sure that you speak clearly and confidently. Don't be silent for any question. Say something at least and keep your nerve at the same time. When the interviewer asks whether you have a question for him/her, make sure to be prepared with something. All the Best !!
Skills: Knowledge of basic digital circuits, Reasoning power and aptitude, Confidence , Programming skills in any language like C, Java, etc., Hardware description languages : VHDL and Verilog
Duration: 2
College Name: IIT Madras
Motivation: I have always been passionate about working on Microprocessors and the coding involved. Texas Instruments, being one of the leading semiconductors company would provide me an awesome opportunity to realize my passion.
Experience: The aptitude questions were easy. 100% score in the aptitude part won't be a problem.
The Analog part was tough. There were questions mostly on circuits with nMOS, pMOS and BJT. Also a lot of LCR circuit based questions were there.
The Digital part was moderate. Some basic logic questions, K-map solving, delay calculation were there.
Tips: I don't think any special preparation is required for the aptitude part. Also, during exam its good to start with the aptitude part.
For analog and digital part, proper knowledge of electric and magnetic circuits, analog circuits and digital circuits is required.
Duration: 2 hours minutes
Total Questions: 60
Round: Technical Interview
Experience: I got selected for the digital profile and so only questions related to digital circuits were asked to me. During the technical interview, the questions asked were easy and very basic. Just a quick revision of digital circuits course enabled me to answer most of the questions correctly.
Tips: Before going to the interview, make sure that you revise the digital circuits course, at least the basic part if not everything.
Round: HR Interview
Experience: The HR experience was awesome. Questions asked were interesting and I loved answering them.
Tips: Make sure that you speak clearly and confidently. Don't be silent for any question. Say something at least and keep your nerve at the same time. When the interviewer asks whether you have a question for him/her, make sure to be prepared with something. All the Best !!
Skills: Knowledge of basic digital circuits, Reasoning power and aptitude, Confidence , Programming skills in any language like C, Java, etc., Hardware description languages : VHDL and Verilog
Duration: 2
College Name: IIT Madras
Motivation: I have always been passionate about working on Microprocessors and the coding involved. Texas Instruments, being one of the leading semiconductors company would provide me an awesome opportunity to realize my passion.
I applied via Campus Placement
4 Interview Rounds
Interview Preparation Tips
Round: Test
Experience: The test has three parts , Analog, Digital and aptitude. Every part has 20 questions . The technical parts are of slightly higher difficulty than what is taught generally. For the aptitude part, the questions are pretty straightforward and are simple enough to do .
Tips: Check out video lectures on IITM VLSI page for analog courses.
Duration: 120 minutes
Total Questions: 60
Round: Technical Interview
Experience: The questions for Digital profile are simple and if you brush through any digital systems book like Morris Mano, then you will be able to answer all the questions. For some students they asked two rounds and for others they only had one.
Tips: Keep your cool. The questions will be very logical So if you don't know it ,you can solve it there
Round: HR Interview
Experience: The HR interview has questions like Why TI? Where did you hear about TI first? What inspired you to be an engineer ? What are your plans for further studies ? etc.
Tips: It is supposed to be more like a conversation than an interview. So be yourself and know about your interests because if you can't answer questions about your life , then that is not a good sign.
General Tips: Talk to them . After the interview before you leave get to know a little about them like their name and other things. Since they asked you so much about yourself it does make sense to ask them back so that you will learn a little more about the company and their attitude.
Skill Tips: They only tested if you can think on your feet.
Duration: Two
College Name: IIT Madras
Motivation: It is one of the best Core companies in Electrical and Electronics that invests heavily in R&D . So I was motivated to apply
Experience: The test has three parts , Analog, Digital and aptitude. Every part has 20 questions . The technical parts are of slightly higher difficulty than what is taught generally. For the aptitude part, the questions are pretty straightforward and are simple enough to do .
Tips: Check out video lectures on IITM VLSI page for analog courses.
Duration: 120 minutes
Total Questions: 60
Round: Technical Interview
Experience: The questions for Digital profile are simple and if you brush through any digital systems book like Morris Mano, then you will be able to answer all the questions. For some students they asked two rounds and for others they only had one.
Tips: Keep your cool. The questions will be very logical So if you don't know it ,you can solve it there
Round: HR Interview
Experience: The HR interview has questions like Why TI? Where did you hear about TI first? What inspired you to be an engineer ? What are your plans for further studies ? etc.
Tips: It is supposed to be more like a conversation than an interview. So be yourself and know about your interests because if you can't answer questions about your life , then that is not a good sign.
General Tips: Talk to them . After the interview before you leave get to know a little about them like their name and other things. Since they asked you so much about yourself it does make sense to ask them back so that you will learn a little more about the company and their attitude.
Skill Tips: They only tested if you can think on your feet.
Duration: Two
College Name: IIT Madras
Motivation: It is one of the best Core companies in Electrical and Electronics that invests heavily in R&D . So I was motivated to apply
3 Interview Rounds
Interview Preparation Tips
Round: Test
Experience: The selection procedure is a test followed by tech interview and an HR interview.
The test had two parts:
Aptitude (common across all profiles)
A tech. test (separate for each profile)
Round: Interview
Experience: The tech interview was the important one and the HR interview was just about knowing the student and vice-versa. The tech interview was more concentrated on the basics and more importance was given to the approach of solving the problem rather than solving the problem itself.
No CGPA cutoff.
Round: Interview
Experience: Not very important.
General Tips: The work is well structured and executed. There is a lot of opportunity for more technical learning. Interns are also included into the teams and this helps the intern on knowing about the things going around them and gets an overall view of how things work.
As a whole, the work is very good, and exceeds all the expectations of the students.
College Name: IIT Madras
Experience: The selection procedure is a test followed by tech interview and an HR interview.
The test had two parts:
Aptitude (common across all profiles)
A tech. test (separate for each profile)
Round: Interview
Experience: The tech interview was the important one and the HR interview was just about knowing the student and vice-versa. The tech interview was more concentrated on the basics and more importance was given to the approach of solving the problem rather than solving the problem itself.
No CGPA cutoff.
Round: Interview
Experience: Not very important.
General Tips: The work is well structured and executed. There is a lot of opportunity for more technical learning. Interns are also included into the teams and this helps the intern on knowing about the things going around them and gets an overall view of how things work.
As a whole, the work is very good, and exceeds all the expectations of the students.
College Name: IIT Madras
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