PrepBytes Software Developer Interview Questions and Answers

Q1. How to centre a div container
Ans. 
Centering a div container can be achieved using CSS techniques like flexbox, grid, or margin auto for block elements.
• Using Flexbox: Set the parent container to display: flex; and justify-content: center; align-items: center; to center the child div.

• Example: .parent { display: flex; justify-content: center; align-items: center; height: 100vh; } .child { width: 50%; }

• Using Grid: Set the parent to display: grid; and use p...read more
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Q2. What is a command to run a react project
Ans. 
To run a React project, use the command 'npm start' in the project directory to start the development server.
• Navigate to the project directory: Use 'cd your-project-name' to go to your React project folder.

• Install dependencies: Run 'npm install' to install all required packages listed in package.json before starting the project.

• Start the development server: Execute 'npm start' to launch the React application in your de...read more
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Q3. What is the Full Form of nmp
Ans. 
NPM stands for Node Package Manager, a tool for managing JavaScript packages and dependencies in Node.js applications.
• Package Management: NPM allows developers to install, update, and manage libraries and tools needed for their projects, such as Express or React.

• Dependency Management: It helps in managing project dependencies, ensuring that the correct versions of libraries are used, which is crucial for compatibility.

• ...read more
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Q4. What is the difference between framework or Library
Ans. 
A framework provides a structure for building applications, while a library offers reusable code for specific tasks.
• Inversion of Control: Frameworks dictate the flow of control, while libraries allow developers to call them as needed. Example: Angular (framework) vs. jQuery (library).

• Purpose: Frameworks are designed for building entire applications, whereas libraries focus on specific functionalities. Example: Django (...read more
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Q1. Tell me about yourself?
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Q2. Why are you the right fit for this role?
Ans. 
I possess the analytical skills, industry knowledge, and collaborative mindset essential for a successful Business Analyst.
• Strong analytical skills: I have experience in data analysis using tools like Excel and SQL, which helped my previous team identify key trends.

• Industry knowledge: I have worked in the finance sector, understanding regulatory requirements and market dynamics, which is crucial for informed decision-m...read more
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Q1. General Discussion + 1 coding question
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Basic excel problem, and pyhton, and sql

Q1. Basic interview questions over resume
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Q1. Basic hr questions over salary and why do you wanna work with us
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Q1. What is sql, what is key word, tell me something about pandas and numpy, hangman puzzle
Ans. 
SQL is a programming language used for managing and manipulating relational databases. Keywords are reserved words in SQL.
• SQL is used to retrieve, insert, update, and delete data from databases

• Keywords in SQL are reserved words that have a specific meaning and cannot be used as identifiers

• Pandas is a Python library used for data manipulation and analysis

• NumPy is a Python library used for numerical computing and array o...read more
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Basic GFG questions and basic logiccal reasoning

Q1. Why are you swithcing
Ans. 
Seeking new challenges and growth opportunities in a different industry.
• Looking for a new challenge to expand my skills and knowledge

• Interested in exploring different industries and gaining diverse experience

• Seeking growth opportunities that align with my career goals
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It was good. 1 hr duration

Q1. The questions were asked one on one
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Q1. Normal hr questions were asked
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Q1. Joins and Basic aggregate questions
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Q2. Python pandas realted
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