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RadiSys SDE (Software Development Engineer) Interview Questions, Process, and Tips
Top RadiSys SDE (Software Development Engineer) Interview Questions and Answers
- Q1. In a file which has opened a file, how do you move the cursor 5 characters ahead of current position?
- Q2. Which statement about a binary heap is false?
- Q3. What is mutex? Explain your project.
RadiSys SDE (Software Development Engineer) Interview Experiences
2 interviews found
Anonymous
(2 Questions)
- Q1. In a file which has opened a file, how do you move the cursor 5 characters ahead of current position?
- Ans.
To move the cursor 5 characters ahead of current position in an opened file.
Use fseek() function to move the cursor to the desired position.
Pass the current position and offset to fseek() function.
Use SEEK_CUR as the reference point for the offset.
- Q2. Which statement about a binary heap is false?
- Ans.
Answering which statement about a binary heap is false.
A binary heap is a complete binary tree where the parent node is always greater or smaller than its children.
A binary heap can be represented as an array.
A binary heap can be used to implement priority queues.
A binary heap can only be a max heap and not a min heap.
(2 Questions)
- Q1. Explain your project?
- Q2. Puzzle based question
(2 Questions)
- Q1. What is virtual function?
- Ans.
Virtual function is a function in base class that is overridden in derived class.
Virtual function allows polymorphism in C++.
It is declared in base class with virtual keyword.
It is overridden in derived class with same signature.
It is called based on the object type at runtime.
Example: virtual void display() = 0; // pure virtual function
- Q2. What is mutex? Explain your project.
- Ans.
Mutex is a synchronization mechanism used to prevent multiple threads from accessing shared resources simultaneously.
Mutex stands for mutual exclusion.
It is used to protect critical sections of code where multiple threads may try to access shared resources.
Mutex allows only one thread to access the shared resource at a time.
If another thread tries to access the resource while it is locked by a mutex, it will be blocked...
(1 Question)
- Q1. Tell about your CGPA and college
Interview Preparation Tips
Skills evaluated in this interview
(2 Questions)
- Q1. Questions on Data structures and algorithms
- Q2. Questions on sql and DBMS
Interview Preparation Tips
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Niranjhana Narayanan
I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Why UDP and not TCP in project
- Ans.
UDP is preferred over TCP in this project due to its low latency and lightweight nature.
UDP is a connectionless protocol, which means it does not establish a direct connection between the sender and receiver.
UDP is faster than TCP as it does not have the overhead of establishing and maintaining a connection.
UDP is suitable for applications where real-time data transmission is crucial, such as video streaming or online ...
- Q2. How would you clear the 7th bit in a 32 bit register
- Ans.
To clear the 7th bit in a 32-bit register, perform a bitwise AND operation with a mask that has all bits set to 1 except the 7th bit.
Create a mask with the 7th bit set to 0 and all other bits set to 1
Perform a bitwise AND operation between the register and the mask
Store the result back in the register
Interview Preparation Tips
Experience: Questions were based on C concepts, given piece of code, find error, output, etc then data structures, bit manipulation, a few aptitude questions were also there (around 5-7).
Tips: Practice aptitude, C, data structures (geeksforgeeks.org is a good source).
Duration: 1 hour
Total Questions: 30
Round: Technical + HR Interview
Experience: I was asked to explain project in detail, I had done projects on embedded, so was asked about that, details like what fields did you use in that structure, why this implementation and not some related other. Memory management, network communications, operating systems. Then questions on C concepts like memory allocation, function pointers, then data structures like linked lists, then bit manipulation in registers. Questions from electrical coursework. Then later, why higher studies, would you still go for higher studies if you had a good job at a company, why etc.
Tips: Be thorough with C (know your Kernighan & Ritchie) and be prepared to go into details about your projects.
Skills: C, Data Structures, Coursework Understanding, Project And Internship
College Name: IIT Madras
Skills evaluated in this interview
Interview Preparation Tips
Experience: questions were mainly asked on C, data structures linked lists, wireless communications. i was asked questions on pointers, linked lists, difference between structures and unions, endien-ness(big or little)
about microprocesors- interrupt scheme: which scheme is better , when?
about assembly programming.
They may ask you to write assembly codes/C program
emphasis is on the logic used and not so much on the syntax.
Tips: do C really well. they ask you about projects. also do communication subjects, microprocessors.
they prefer if you know about data structures and OS but it's okay even if you don't.
be honest. if you don't know something say you don't.
do your final year project well.
College Name: Veermata Jijabai Technological Institute, Mumbai [ VJTI ]
I applied via Campus Placement and was interviewed in Dec 2016. There was 1 interview round.
Interview Questionnaire
7 Questions
- Q1. Phases of compiler
- Ans.
Phases of compiler include lexical analysis, syntax analysis, semantic analysis, code generation, and optimization.
Lexical analysis: breaking down input into tokens
Syntax analysis: checking if tokens form valid syntax
Semantic analysis: checking if syntax is semantically correct
Code generation: generating machine code from input
Optimization: improving generated code performance
- Q2. Compiler optimisations
- Q3. Why to c over cpp
- Ans.
C is preferred over C++ for certain applications due to its simplicity and efficiency.
C is a simpler language compared to C++ and has a smaller runtime footprint.
C is often used for low-level programming, embedded systems, and operating systems.
C allows for more control over memory management and can be faster in certain scenarios.
C++ introduces additional features like object-oriented programming and templates, which
- Q4. Classes and structure and memory allocation for them
- Ans.
Classes are blueprints for creating objects, while structures are similar but with different default access levels.
Classes and structures are used to define the structure and behavior of objects in object-oriented programming.
Classes are reference types and are allocated on the heap, while structures are value types and are allocated on the stack.
Memory allocation for classes is managed by garbage collection, while mem...
- Q5. My research area
- Q6. My professional experience
- Q7. Knowledge in cpp, c and debugging
Interview Preparation Tips
Experience: Asked about, basic cpp, c. compiler optimisations and phases, lex and yacc. why and how compiler optimisations help.
Tips: Its good.
Round: Technical Interview
Experience: How good am i in c, cpp. My research area.
Tips: Question where not clear to me. when asked how good are you in cpp, in debugging, in firmware I was not able to understand what the interviewer was looking for.
College Name: IIT Madras
Skills evaluated in this interview
I was interviewed before May 2016.
Interview Preparation Tips
Experience: it was elitmus test conducted by the company itself on campus. As per my knowledge only those scoring 90 percentile got selected for round 2.
Tips: Attempt only those ques that are necessary for scoring 90+ in e litmus. Specially in verbal don't attempt more then required questions, though you might be tempted. The aim is not to score max bt to score 90+
Round: Technical Interview
Experience: This was a programming based round. I was asked to write algorithms for various array linked list based problems. There was cross questioning prompting to reduce complexity and to use different data structures for same problems.
Mostly it focused on subjects like c, data structures and ADA.
Tips: Be clear with basic of data structures and algorithms. Pointers, queue, stacks, array linked lists, sorting etc are the keywords.
Round: Technical Interview
Experience: This was a information security specific round since that was my major. In depth cross questioning on my thesis topics, honeypots, network intrusion etc. Security certificates, and on the go problems to provide security solution layer wise in different scenarios. Security concept of torrents was also asked in detail.
Tips: It was more of a security discussion and throwing of ideas about how things in a particular case could work or could not. Don't worry about right or wrong answer just be clear with your reasoning about the solution you are suggesting.
Round: Other Interview
Experience: I don't know what to name this round, but it focused mainly on developing test cases for an object. Say they gave me a stapler and said to develop a test plan listing down test cases for a given object to pass so that it can be confirmed that it is a stapler. Another scenario was with a lift.
Tips: This is one round where your presence of mind and inter personal skills matter. I think the way you present your thoughts was most important here.
Round: Behavioural Interview
Experience: This was was mostly about how would you react in a given professional situation
Like your assigned work could not be completed on time, or if you are doing something wrong with the work assigned.
Tips: This is all about inter personal skills and putting your best foot forward :)
College Name: Indira Gandhi Delhi Technical University For Women, Delhi
ESHAN SHEKHAR cs15m018
I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Given a blackbox with arithmetic circuits , design the logical circuits
- Ans.
Design logical circuits for arithmetic circuits in a blackbox.
Understand the functionality of the arithmetic circuits in the blackbox.
Identify the inputs and outputs of the blackbox.
Design logical circuits using logic gates to replicate the arithmetic operations.
Test the logical circuits to ensure they produce the same outputs as the arithmetic circuits.
- Q2. Embedded c-code for recursion
- Ans.
Recursion in embedded C-code allows a function to call itself, useful for repetitive tasks or complex algorithms.
Ensure proper base case to avoid infinite recursion
Use stack space efficiently as embedded systems have limited resources
Avoid recursive functions with deep call stacks to prevent stack overflow
Example: Recursive function to calculate factorial of a number
Interview Preparation Tips
Experience: During this round we had some technical questions and some digital logic questions.
Tips: Please be patient.Interviewers do stress testing. Don't panic even if you don't know any answers.
Duration: 2 hours
Total Questions: 1
Round: Technical Interview
Experience: He asked me questions regarding my project and some coding questions
Tips: Please be patient.Interviewers do stress testing. Don't panic even if you don't know any answers.
Round: Technical + HR Interview
Experience: He asked me questions regarding my project and some coding questions
Tips: Please be patient.Interviewers do stress testing. Don't panic even if you don't know any answers.
College Name: IIT Madras
Skills evaluated in this interview
I applied via Campus Placement and was interviewed in Dec 2016. There were 4 interview rounds.
Interview Preparation Tips
Experience: Questions were based on C concepts, given piece of code, find error, output,etc then data structures, bit manipulation, a few aptitude questions were also there (around 5-7).
Duration: 1 hour
Total Questions: 30
Round: Technical + HR Interview
Experience: I was asked to explain project in detail, I had done projects on embedded, so was asked what fields did you use in that structure, why this implementation and not some related other. Then questions on C concepts, memory allocation, function pointers, data structures, linked lists, then bit manipulation in registers. Then later, why higher studies, would you still go for higher studies if you had a good job at a company, why etc.
Tips: Just be thorough with C (Know your Kernighan Ritchie) and be prepared to go into details about your projects.
College Name: IIT Madras
I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Tell me about your self
- Ans.
I am a passionate software engineer with experience in developing web applications using various technologies.
Experienced in developing web applications using HTML, CSS, JavaScript, and frameworks like React and Angular
Proficient in backend development with Node.js and databases like MongoDB and MySQL
Familiar with version control systems like Git and project management tools like Jira
- Q2. Questions on gen data structures and basic electrical questions Regards software - Dsa,computer organization,computer networks
Interview Preparation Tips
Experience: I was gen basic analytics questions
Tips: No needforany serious preperation,just be yourself
Duration: 45 minutes
Total Questions: 25
Round: Technical + HR Interview
Experience: I got trough most of dsa and computer network questions but i was notso strong in digital part so i cupped
Tips: Just know the basics of all the areas you are interested in.
Round: HR Interview
Experience: This is the basic question expected i have gone through my family childhood experiences and hobies
Tips: Every person have a unique style of expressing themselves ,so prepare for these kind of questions,dont rise any interest in higher studies
College Name: IIT Madras
Anju Das.B
I applied via Campus Placement and was interviewed in Dec 2016. There were 3 interview rounds.
Interview Questionnaire
3 Questions
- Q1. Question on pointers and concepts based on Resume
- Q2. Device Drivers, Linux, Firmware and some questions like "how will you handle some scenarios"
- Q3. Why Intel, Introduce yourself
- Ans.
I am passionate about technology and innovation, and I believe Intel is at the forefront of cutting-edge advancements in the field.
I have always been fascinated by the latest advancements in technology and Intel's reputation for innovation drew me to the company.
I admire Intel's commitment to pushing the boundaries of what is possible in the tech industry.
I am excited about the opportunity to work with a team of talent...
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