PurpleTalk Interview Questions, Process, and Tips

Swapping of 2 number without using 3rd number

Q1. SOLID Principles
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Q2. DEFER method
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The DEFER method is used in Swift to delay the execution of a block of code until the current scope is exited.
• DEFER is used to ensure cleanup or finalization code is executed, regardless of how the current scope is exited.

• It is commonly used to release resources, close files, or perform other cleanup tasks.

• DEFER blocks are executed in reverse order of their declaration.
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Q3. If I need to fetch 1000 images by making 1000 API calls simultaneously and display them in a grid on the frontend, how should I handle the process efficiently? If an API call fails (e.g., the 2nd image is ...read more
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To efficiently fetch and display 1000 images in a grid with error handling, consider batching API calls, implementing pagination, and using placeholders for missing images.
• Batch API calls in smaller groups to prevent overwhelming the server and network.

• Implement pagination to fetch images in chunks, reducing the load on the server and improving performance.

• Use placeholders for missing images to maintain the grid layout...read more
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Q4. How to provide security provisions for the application, API and device side.
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Security provisions can be provided through encryption, authentication, authorization, and secure coding practices.
• Implement end-to-end encryption to protect data in transit and at rest.

• Use secure authentication methods like OAuth, JWT, or biometrics.

• Implement role-based access control for authorization.

• Regularly update and patch the application to fix security vulnerabilities.

• Follow secure coding practices to prevent ...read more
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Q1. Self details, Technical experience and Salary discussion
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Q1. What is the architecture of Transformer-based Large Language Models (LLMs)?
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Q2. What is the architecture of computer vision?
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Explain the various approaches to the Rag system.

Experience with Torch parallelism.

Q1. What projects have you completed to date?
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Q2. What are flow pipelines?
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Q1. Multi-Model Agentic systems
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Q2. What frameworks are you familiar with?
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Basic Aptitude and Computer Questions

Sudoku puzzle in Python

Q1. HR questions and Technical Basic questions on python
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Q2. Django Meta Class, Python list vs tuple , set vs frozen set
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