Samvardhana Motherson Group Software Engineer Interview Questions and Answers

Q1. What is the smart pointers?
Ans. 
Smart pointers are objects that store a pointer to dynamically allocated memory and provide automatic memory management.
• Smart pointers help prevent memory leaks by automatically releasing memory when the pointer is no longer needed.

• Examples include unique_ptr, shared_ptr, and weak_ptr in C++.

• unique_ptr is used for exclusive ownership, shared_ptr for shared ownership, and weak_ptr to break circular references.
Answered by AI
Add your answer
Q2. What is the lamda function?
Ans. 
A lambda function is a small anonymous function defined in a single line of code without a name.
• Lambda functions are often used in programming languages that support functional programming.

• They are commonly used for short, simple operations that do not require a named function.

• Lambda functions can take any number of arguments but can only have one expression.

• Example: lambda x: x*2 defines a lambda function that doubles
Answered by AI
Add your answer

Q1. What is threading?
Ans. 
Threading is a way for a program to split itself into multiple simultaneous tasks.
• Threading allows for parallel execution of tasks within a program.

• Each thread has its own stack and runs independently of other threads.

• Threads can communicate with each other and share resources.

• Example: A web server handling multiple client requests concurrently using threads.
Answered by AI
Add your answer
Q2. What is lamda function?
Ans. 
Lambda function is an anonymous function in programming that can have multiple parameters and can be used as an argument to other functions.
• Lambda functions are also known as anonymous functions because they do not have a name.

• They are often used for short, one-time tasks that do not require a separate function definition.

• Lambda functions can take multiple parameters and return a single value.

• Example: lambda x, y: x + ...read more
Answered by AI
Add your answer

1 hr coding test with MCQ

Q1. Basic of technical background
Add your answer
Q2. White box testing
Add your answer
Q3. Black box testing
Add your answer

Q1. General HR question
Add your answer
Q2. Why you need this job
Add your answer
Q3. Salary expectation
Add your answer

Q1. What are your strengths and weakness?
Ans. My strength is Hardworking weakness are focusing on every details which makes my work time consuming
Answered Anonymously
Add your answer

Q1. What is Watchdog timer?
Ans. 
A Watchdog timer is a hardware or software mechanism that automatically resets or restarts a device if it stops responding or functioning properly.
• Watchdog timer is used to prevent system crashes or freezes by monitoring the system and resetting it if necessary.

• It is commonly used in embedded systems, where reliability is crucial.

• The timer needs to be periodically reset by the software to prevent the system from resett...read more
Answered by AI
Add your answer
Q2. What is Compiler?
Ans. 
A compiler is a software program that translates code written in a high-level programming language into machine code.
• Converts high-level code to machine code

• Checks for syntax errors

• Optimizes code for better performance

• Examples: GCC, Clang, Visual C++
Answered by AI
Add your answer
Q3. What is volatile memory?
Ans. 
Volatile memory is temporary memory that loses its data when power is turned off.
• Volatile memory requires constant power to retain data

• Examples include RAM (Random Access Memory) and cache memory

• Data stored in volatile memory is lost when the device is turned off
Answered by AI
Add your answer

Q1. Do you like Bangalore?
Add your answer
Q2. What is your favourite festival?
Add your answer
Q3. Do you like to work something from the start or can something which already worked by someone else?
Add your answer

Coding test, on C, around 1 hr, on teams

Q1. C basics Embedded C Aptitude
Add your answer

Q1. Object oriented Concepts concepts
Add your answer
Q2. Explain what is Constructors
Ans. 
Constructors are special methods in a class that are used to initialize objects of that class.
• Constructors have the same name as the class they belong to.

• They are called automatically when an object is created.

• Constructors can have parameters to initialize object properties.

• Example: public class Car { public Car(String color) { this.color = color; }}
Answered by AI
Add your answer
Q3. DO you know about the design pattern in C++
Ans. 
Design patterns in C++ are reusable solutions to common problems in software design.
• Design patterns help in creating flexible, maintainable, and scalable code.

• Examples of design patterns in C++ include Singleton, Factory, Observer, and Strategy.

• Each design pattern has its own purpose and can be applied in different scenarios.

• Understanding design patterns can improve code quality and efficiency.
Answered by AI
Add your answer

Hackerrank assesment

Q1. About Python, Data structures
Add your answer