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Beceem Communications Design Engineer Interview Questions and Answers
Beceem Communications Design Engineer Interview Experiences
1 interview found
Anonymous
Interview Questionnaire
6 Questions
- Q1. Thesis-based questions
- Q2. Project-based questions
- Q3. What would you do to remove Setup violation, hold violation?
- Ans.
To remove Setup violation, hold violation, I would optimize the timing constraints and perform timing analysis.
Optimize timing constraints to ensure that setup and hold times are met
Perform timing analysis to identify and resolve any timing violations
Use delay constraints to ensure that signals arrive at the correct time
Use clock skew optimization to minimize clock skew and improve timing
Use clock gating to reduce powe...
- Q4. Do you know about verilog?
- Ans.
Yes, Verilog is a hardware description language used to design digital circuits.
Verilog is used to design digital circuits at various levels of abstraction.
It is commonly used in the design of integrated circuits and field-programmable gate arrays (FPGAs).
Verilog is used to describe the behavior of a circuit and its components.
It is also used for simulation and verification of digital circuits.
Verilog has a syntax simi
- Q5. Questions based on timing analysis
- Q6. Are you interested in persuing PhD. ?
- Ans.
Yes, I am interested in pursuing a PhD.
I have always been passionate about research and innovation.
I believe a PhD will provide me with the opportunity to delve deeper into my field of interest.
I am also interested in teaching and a PhD will open up more opportunities in academia.
I have already started exploring potential research topics and universities.
I am aware of the challenges and commitment required for a PhD an
Interview Preparation Tips
Experience: There were some basic questions on probability theory, digital communication (mainly wireless communication, like problem on GSM, CDMA, and OFDM). Some questions were from DSP (like DFT etc.). Basics of information theory (EE 624) should be clear; there were some questions on calculating capacity of a Gaussian channel, differential entropy etc. A single problem from C programming was there and it was very simple.
Two sections : 1) VLSI 2) Communications
For VLSI stream we had to solve only the first section.
Type of questions and details :
Questions were a mix of digital and analog.
Most of the questions were on digital logic design.
1) Given a current mirror circuit we had to identify and calculate what is the current through one MOS Transistor.
2) Question on timing analysis-setup time, hold time ----this very important---you have to be very clear in this concept. Frequently asked.
3) Question on Op Amp. It was an integrator …had to calculate output voltage.
4) Many questions were on logic design.
5) Questions on devices like if doping increased, how would the other parameters vary..?
Duration: 60 minutes
Total Questions: 30
Round: Technical Interview
Experience: View 1: He asked me most of the questions on my thesis and my previous projects and term papers (related to wireless communication). I was also asked about viterbi decoders, OFDM and MIMO (my thesis was on MIMO).
View 2: Questions were mostly on timing analysis.
General Tips: One should try to keep himself focused during the whole time of written test and interview. Basics of probability theory and communication theory should be very clear.
Skill Tips: Be well prepared with both digital and analog. You must know Verilog.
Skills: Probability, Coding, Information Theory, Wireless communication
College Name: IIT- Kanpur
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
Selected
I applied via Walk-in and was interviewed in Jun 2024. There was 1 interview round.
(2 Questions)
- Q1. Education background
- Q2. Working background
Interview Preparation Tips
I applied via Recruitment Consultant and was interviewed in Jun 2020. There was 1 interview round.
Interview Questionnaire
4 Questions
- Q1. Tell me about your self?
- Q2. Why should we hire you ?
- Q3. Why do you want to work with us?
- Q4. How much salary are you expecting?
Interview Preparation Tips
Selected
I applied via Job Fair
(2 Questions)
- Q1. What is rcc work?
- Ans.
RCC work refers to reinforced concrete construction, which involves using steel bars to strengthen concrete structures.
RCC work involves the use of steel reinforcement bars within concrete to increase its strength and durability.
It is commonly used in the construction of buildings, bridges, dams, and other structures.
The steel bars are placed in specific locations within the concrete formwork before pouring the concret...
- Q2. Civil contractor
Interview Preparation Tips
Your company raise and profitable
guruprasad S
(2 Questions)
- Q1. Was asked to explain about ouself
- Q2. Questions were based on experience mentioned on resume
2 coding questions were provided
Backend Code of a class booking web app
(2 Questions)
- Q1. Discussed the assignment and improved the app
- Q2. Asked some resume projects
Selected
I appeared for an interview in Feb 2025, where I was asked the following questions.
- Q1. What is your name?
- Q2. Where do you live
- Q3. What is the distance of moon from earth
Interview Preparation Tips
I appeared for an interview before Sep 2020.
Round duration - 45 minutes
Round difficulty - Easy
This round was telephonic round. The interview lasted for approximately 45 minutes. The interviewer asked me three coding questions. I hustled a bit on 3rd question but after a hint was able to solve it.
(1 Question)
Round duration - 120 minutes
Round difficulty - Easy
This round was Online Test on Hackerrank for 120 minutes, it contained 3 questions.
- Q1.
LRU Cache Design Question
Design a data structure for a Least Recently Used (LRU) cache that supports the following operations:
1.
get(key)- Return the value of the key if it exists in the cache; otherw... - Ans.
Design a Least Recently Used (LRU) cache data structure that supports get and put operations with capacity constraint.
Use a combination of hashmap and doubly linked list to implement the LRU cache.
Keep track of the least recently used item and evict it when the cache reaches its capacity.
Update the position of an item in the cache whenever it is accessed or updated.
Handle both get and put operations efficiently to main...
Round duration - 60 minutes
Round difficulty - Easy
This round was face to face Interview at Ola Campus and lasted for 1 hour.
Round duration - 35 minutes
Round difficulty - Easy
This round was again a face to face technical interview, I was just asked one question in this round.
(1 Question)
Round duration - 30 minutes
Round difficulty - Easy
Only a question of System Design was asked
- Q1. Design a toll booth system for Ola cabs and explain the necessary functions and data structures used in it.
- Ans.
Design a toll booth system for Ola cabs with necessary functions and data structures.
Use a queue data structure to manage the order of vehicles waiting at the toll booth.
Implement functions for vehicle entry, toll calculation, and exit.
Store vehicle information such as license plate number, type of vehicle, and toll amount in a hash map.
Utilize a priority queue to handle VIP or premium customers efficiently.
Include a f...
Round duration - 30 minutes
Round difficulty - Easy
Very general HR questions were asked
Interview Preparation Tips
Tip 1 : Be confident in the projects you have mentioned in your resume.
Tip 2 : Always discuss your approach with the interviewer first for any problem.
Tip 3 : Always start with a basic solution and then discuss further optimisations.
Tip 1 : Good projects showing your skills (Be clear in what you achieved from those projects)
Tip 2 : Internship experience at the top (It gives you an edge over others)
Skills evaluated in this interview
I appeared for an interview before May 2021.
(3 Questions)
Round duration - 90 minutes
Round difficulty - Medium
It was in the morning, where there were 3 questions to answer.
- Q1.
Number of Islands Problem Statement
You are provided with a 2-dimensional matrix having
Nrows andMcolumns, containing only 1s (land) and 0s (water). Your goal is to determine the number of islands in t... - Ans.
Count the number of islands in a 2D matrix of 1s and 0s.
Use Depth First Search (DFS) or Breadth First Search (BFS) to traverse the matrix and identify connected groups of 1s.
Maintain a visited array to keep track of visited cells to avoid redundant traversal.
Increment the island count each time a new island is encountered.
Consider all eight possible directions for connectivity while traversing the matrix.
Handle edge ca...
- Q2.
Missing Numbers Problem Statement
You are provided with an array called
ARR, consisting of distinct positive integers. Your task is to identify all the numbers that fall within the range of the smallest a... - Ans.
Identify missing numbers within the range of smallest and largest elements in an array.
Find the smallest and largest elements in the array.
Generate a list of numbers within this range.
Filter out the numbers present in the array.
Return the missing numbers in sorted order.
- Q3.
Count Leaf Nodes in a Binary Tree
Given a binary tree, your task is to count and return the number of leaf nodes present in it.
A binary tree is a data structure where each node has at most two children,...
- Ans.
Count and return the number of leaf nodes in a binary tree.
Traverse the binary tree and count nodes with both left and right children as NULL.
Use recursion to traverse the tree efficiently.
Leaf nodes have no children, so check for NULL left and right children to identify them.
(1 Question)
Round duration - 20 minutes
Round difficulty - Medium
It was a system design round.
- Q1. Can you describe the system design of the OLA app?
- Ans.
OLA app system design involves multiple components like user interface, driver matching algorithm, payment processing, etc.
User interface for booking rides and tracking
Driver matching algorithm based on location and availability
Payment processing for seamless transactions
Real-time tracking of rides for both users and drivers
(2 Questions)
Round duration - 45 minutes
Round difficulty - Medium
It was a DS Algo round.
- Q1.
Diagonal Traversal of a Binary Tree Problem Statement
Given a binary tree, your task is to determine the diagonal traversal of the tree.
Example:
Input:
1 2 3 4 -1 5 6 -1 7 -1 -1 -1 -1 -1 -1
Output:
...
- Ans.
Diagonal traversal of a binary tree involves traversing nodes diagonally from top to bottom and left to right.
Traverse the tree level by level, starting from the root node.
For each level, keep track of the diagonal nodes and their children.
Use a queue to store nodes at each level and traverse them accordingly.
Example: For input 1 2 3 4 -1 5 6 -1 7 -1 -1 -1 -1 -1 -1, the diagonal traversal is 1 3 6 2 5 4 7.
- Q2.
Minimum Number Of Taps To Water Garden Problem Statement
You are required to determine the minimum number of taps that need to be opened to water an entire one-dimensional garden defined along the x-axis,...
- Ans.
Find the minimum number of taps to water an entire garden along the x-axis.
Iterate over the taps and find the farthest point each tap can reach.
Sort the taps based on their starting points and use a greedy approach to select the taps.
Keep track of the farthest point reachable by the selected taps and the number of taps opened.
Return the minimum number of taps needed to water the entire garden or -1 if it's impossible.
Round duration - 15 minutes
Round difficulty - Medium
HR Round
Interview Preparation Tips
Tip 1 : Go through standard problems
Tip 2 : You should know about everything you have written on your resume
Tip 1 : Keep it short not more than 1 page.
Tip 2 : Write more about figures and technicality on your resume.
Skills evaluated in this interview
Rahul Kandalam
Interview Questionnaire
7 Questions
- Q1. Standard HR: Tell me about yourself, why this company and how do you think we help you reach your goals?
- Q2. Tell me one cool thing you got to do at IIT
- Ans.
I got to participate in a robotics competition at IIT
Designed and built a robot from scratch
Programmed the robot to complete tasks autonomously
Competed against other teams from different colleges
Learned valuable skills in engineering and teamwork
- Q3. Why did you choose IIT and do you regret it? What's different here?
- Ans.
I chose IIT for its reputation and opportunities. No regrets. The environment is competitive and challenging.
IIT has a strong reputation for producing successful graduates
I was attracted to the opportunities for research and innovation
The academic environment is highly competitive and challenging
I have no regrets about my decision to attend IIT
- Q4. What is a portfolio? How do you measure risk?
- Ans.
A portfolio is a collection of investments. Risk can be measured through standard deviation, beta, or value at risk.
A portfolio is a combination of different investments such as stocks, bonds, and mutual funds.
The purpose of a portfolio is to diversify investments and reduce risk.
Risk can be measured through standard deviation, which measures the volatility of returns.
Beta measures the sensitivity of a portfolio to mar...
- Q5. What is beta? What is Value at risk? What is formula for beta?
- Ans.
Beta is a measure of a stock's volatility. Value at risk is a statistical measure of potential losses. Formula for beta is Covariance(Stock, Market) / Variance(Market).
Beta measures a stock's sensitivity to market movements.
Value at risk is the maximum potential loss that an investment portfolio may suffer within a given time frame.
Beta formula is calculated by dividing the covariance of the stock and market returns by...
- Q6. What is covariance? How does it measure sensitivity? What is volatility?
- Ans.
Covariance measures the relationship between two variables. It measures sensitivity by indicating the direction of the relationship.
Covariance is a statistical measure that shows how two variables are related to each other.
It measures the direction of the relationship between two variables.
A positive covariance indicates that the two variables move in the same direction.
A negative covariance indicates that the two vari...
- Q7. What is WACC? How do value a company? Suggest a method that can help you decide on project undertaking?
- Ans.
WACC is the weighted average cost of capital. To value a company, one can use various methods such as DCF, comparables, or precedent transactions. A method to decide on project undertaking is NPV analysis.
WACC is the average cost of all the capital a company has raised
To value a company, one can use DCF, comparables, or precedent transactions
DCF involves projecting future cash flows and discounting them back to present...
Interview Preparation Tips
Experience: It was not tough. Practiced lots of quant questions.Couldn't manage time for verbal. Overall, it was okay! I lost five minutes over one question.
Tips: Face the verbal questions at the end if there is no specific cut off.Score in quant and then touch verbal part.Don't spend more than 2 mins on a question.
Duration: 60 minutes
Total Questions: 60
Round: Interview
Experience: It was very informal and I told them that I got to work as a student consultant for a space mission when she asked me about the cool stuff I did here. I tried to impress her by telling her how I made use of my time here at IIT and how important it is to use the opportunities when they are at arm length distance.
Tips: Be honest and impress HR. Try to smile and be active. They like active and positive people.And prepare for standard HR questions.
Round: Interview
Experience: It was a pure finance interview as my resume as completely finance type.I told all questions without any issues and these are standard questions if you expect finance type profile.
Tips: Be sure of what you put in your resume. If you cannot answer what's in your resume, you will be screwed.Try to steer your interview towards your stronghold and then make it impressive.If you don't know anything, let them know. It is totally fine.
Skill Tips: "Focus your skills when they say: Tell me about yourself.So they will get back to you saying: "You were saying you are strong in this. Can you elaborate". Just screw it."
Skills: Finance Knowledge, Analytical
College Name: IIT Madras
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