Samsung Software and Hardware Engineer Interview Questions and Answers

Inter-process communication (IPC) and mutexes are essential for managing concurrent processes in Linux systems.

• IPC allows processes to communicate and synchronize their actions. Common IPC methods include pipes, message queues, and shared memory.

• Mutex (mutual exclusion) is a synchronization primitive that prevents multiple threads from accessing shared resources simultaneously.

• Example of IPC: Using a named pipe (FIFO) ...read more

Implementing a linked list stack in C involves defining a node structure and stack operations like push, pop, and peek.

• Define a struct for the node: `struct Node { int data; struct Node* next; };`

• Create a stack structure that holds a pointer to the top node: `struct Stack { struct Node* top; };`

• Implement push operation: Allocate a new node, set its data, and adjust the top pointer.

• Implement pop operation: Check if the ...read more

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.

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

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.

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.

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.

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...read more

Python is a high-level, interpreted programming language known for its simplicity and ease of use.

• Python is used for web development, data analysis, artificial intelligence, and more.

• It has a large standard library and supports multiple programming paradigms.

• Python code is easy to read and write, making it a popular choice for beginners.

• Python uses indentation to indicate blocks of code, rather than curly braces or key...read more