Sony Data Science Intern Interview Questions and Answers for Freshers

Q1. Merge Sort dry run
Add your answer
Q2. Bubble Sort dry run
Add your answer

Q1. Explain OOPs concept
Ans. 
OOP (Object-Oriented Programming) is a programming paradigm based on objects and classes to structure software design.
• Encapsulation: Bundling data and methods that operate on the data within one unit (e.g., a class).

• Inheritance: Mechanism to create a new class using properties and methods of an existing class (e.g., a 'Dog' class inheriting from an 'Animal' class).

• Polymorphism: Ability to present the same interface for...read more
Answered by AI
Add your answer
Q2. Difference between Array and Linked List
Ans. 
Arrays are fixed-size, contiguous memory structures; linked lists are dynamic, node-based structures allowing flexible size.
• Arrays have a fixed size, e.g., `String[] fruits = {"apple", "banana", "cherry"};`.

• Linked lists can grow and shrink dynamically, e.g., a list of nodes where each node points to the next.

• Accessing elements in an array is O(1), while in a linked list it's O(n) due to traversal.

• Arrays use contiguous ...read more
Answered by AI
Add your answer
Q3. Character pointer
Add your answer
Q4. What is multi threading
Ans. 
Multi-threading is a programming technique that allows concurrent execution of multiple threads within a single process.
• Improves application performance by utilizing CPU resources more efficiently.

• Allows multiple tasks to run simultaneously, such as downloading files while processing data.

• Threads share the same memory space, making communication between them faster than separate processes.

• Commonly used in web servers t...read more
Answered by AI
Add your answer
Q5. Explain how to insert an element in a table through sql
Ans. 
Inserting an element in a SQL table involves using the INSERT INTO statement to add new records.
• Use the INSERT INTO statement to specify the table name.

• Provide the column names in parentheses after the table name.

• Use the VALUES keyword followed by the values to be inserted in parentheses.

• Example: INSERT INTO Employees (Name, Age) VALUES ('John Doe', 30);

• You can insert multiple rows by separating values with commas: INS...read more
Answered by AI
Add your answer

Online test with a few behavioral questions and games. Nothing difficult.

This round included CSE Core MCQs and 2 coding questions. MCQs where moderated and Coding questions were for Leetcode Medium-Hard difficulty.

Q1. Interview Round - Resume based questions regarding internships, projects and tech stacks.
Add your answer
Q2. Python-based simple questions, a few DBMS questions, and some AI/ML. Nothing too difficult and one-liner answers were expected.
Add your answer