20+ Magic Edtech Interview Questions and Answers

CMYK stands for Cyan, Magenta, Yellow, and Key (Black), while RGB stands for Red, Green, and Blue.

• CMYK is a subtractive color model used in printing, while RGB is an additive color model used in digital displays.

• CMYK is used for printing because it can reproduce a wider range of colors, while RGB is used for digital displays because it can produce brighter and more vibrant colors.

• CMYK colors are created by subtracting light from white, while RGB colors are created by adding l...read more

Provide clear expectations, offer support and training, provide feedback and recognition, set goals and milestones.

• Clearly communicate expectations and goals to the resource.

• Offer support and training to help the resource improve their skills and knowledge.

• Provide regular feedback and recognition for progress made.

• Set specific goals and milestones to track improvement.

• Create a development plan with the resource to address areas of improvement.

• Provide opportunities for the res...read more

Agile values include individuals and interactions over processes and tools, while Scrum values include commitment, courage, focus, openness, and respect.

• Agile values prioritize individuals and interactions over processes and tools

• Scrum values include commitment, courage, focus, openness, and respect

• Scrum ceremonies include Sprint Planning, Daily Standup, Sprint Review, and Sprint Retrospective

• Story points are a unit of measure used in Agile to estimate the size of user storie...read more

Scrum of Scrums is a scaled agile framework where multiple Scrum teams coordinate their work. PI planning is a key event in SAFe where teams plan their work for the upcoming Program Increment.

• Scrum of Scrums involves representatives from each Scrum team meeting regularly to discuss dependencies and progress.

• PI planning is a two-day event where teams align on their objectives, dependencies, and priorities for the upcoming Program Increment.

• Scrum of Scrums helps in identifying ...read more

Serif fonts have small lines or flourishes at the ends of the letters, while sans-serif fonts do not.

• Serif fonts are considered more traditional and formal, while sans-serif fonts are more modern and casual.

• Serif fonts are easier to read in printed materials, while sans-serif fonts are better for digital screens.

• Examples of serif fonts include Times New Roman and Georgia, while examples of sans-serif fonts include Arial and Helvetica.

To find the second largest number in a column in MySQL, you can use the ORDER BY and LIMIT clauses.

• Write a SELECT statement to retrieve the column values in descending order using ORDER BY.

• Use the LIMIT clause to limit the result set to the second row.

• The value in the second row will be the second largest number in the column.

Enums in TypeScript are a way to define a set of named constants. Shallow copy only copies the reference, while deep copy creates a new object. Virtual DOM is a lightweight copy of the actual DOM. Closures are functions that have access to their own scope and the scope of their containing function.

• Enums in TypeScript are used to define a set of named constants. For example, enum Color { Red, Green, Blue }

• Shallow copy creates a new object that stores references to the original...read more

SDLC is Software Development Life Cycle, Bug Life Cycle is the process of a bug from detection to resolution, White Box Testing is testing based on internal code structure, Functional Testing is testing the functionality of the software, Smoke and Sanity Testing are initial tests to check basic functionality.

• SDLC is a process followed for software development, consisting of phases like planning, design, coding, testing, and deployment.

• Bug Life Cycle includes stages like New, ...read more

Classic tween animation is a traditional animation technique used to create smooth and fluid motion.

• It involves creating a series of keyframes and then filling in the frames in between to create the illusion of motion.

• It is often used in 2D animation and is a staple of traditional Disney animation.

• Examples include Snow White and the Seven Dwarfs, Sleeping Beauty, and The Little Mermaid.

• Classic tween animation is different from modern computer-generated animation, which uses a...read more

Creating a REST API from controller to repository using NOTEPAD

• Create a controller class with mapping annotations for REST endpoints

• Implement service layer to handle business logic and interact with repository

• Define repository interface with methods for data access operations

• Use Spring Boot for easy setup and configuration

• Test API endpoints using tools like Postman

Dependency injection in Laravel is a technique to manage class dependencies and improve code flexibility.

• Dependency injection allows for easier testing and maintenance of code.

• It involves passing dependencies to a class through its constructor or method parameters.

• Laravel's container class manages the dependencies and resolves them when needed.

• Example: injecting a database connection into a repository class.

• Can also use interfaces to define dependencies and make code more mod...read more

Magic Edtech is an innovative educational technology company.

• Magic Edtech develops interactive learning platforms and tools.

• They use advanced technologies like AI, AR, and VR to enhance the learning experience.

• Their products include virtual classrooms, adaptive learning systems, and educational games.

• Magic Edtech focuses on personalized learning and data-driven insights.

• They collaborate with schools, universities, and educational institutions worldwide.

Use a hashmap to count the frequency of each character in a string.

• Create a hashmap to store characters as keys and their frequencies as values.

• Iterate through the string and update the hashmap accordingly.

• Return the hashmap with character frequencies.

Black box testing focuses on the functionality of the system without considering its internal structure, while white box testing examines the internal structure and implementation details.

• Black box testing is based on external specifications and requirements.

• White box testing is based on internal code and design.

• Black box testing is primarily used for functional testing.

• White box testing is primarily used for structural and unit testing.

• Black box testing does not require know...read more

Motion graphics is the art of animating graphic design elements to create the illusion of motion.

• It combines graphic design, animation, and filmmaking techniques

• Used in advertising, film, television, and online media

• Examples include animated logos, explainer videos, and title sequences

STLC stands for Software Testing Life Cycle, which is a process used to test software products. Regression testing is retesting of software after changes to ensure no new bugs are introduced.

• STLC is a series of steps followed to ensure high-quality software testing, including planning, designing, executing, and reporting.

• Regression testing is the process of retesting software to confirm that recent changes have not adversely affected previously tested functionality.

• Regression...read more

Kafka is a distributed streaming platform used for building real-time data pipelines and streaming applications.

• Kafka is designed to handle high-throughput, fault-tolerant, and scalable real-time data streams.

• It uses topics to categorize data streams, producers publish messages to topics, and consumers subscribe to topics to process messages.

• Kafka can be implemented using Kafka APIs in Java, Scala, or other programming languages.

• Zookeeper is used for managing Kafka cluster an...read more

OAuth is an open standard for access delegation, commonly used as a way for Internet users to grant websites or applications access to their information on other websites but without giving them the passwords.

• OAuth allows users to grant access to their information on one site to another site without sharing their credentials.

• It is commonly used for authentication and authorization in APIs.

• OAuth uses tokens to access resources on behalf of the user.

• Examples of OAuth implementa...read more

HTML5 is the latest version of HTML with new features and improvements.

• HTML5 supports new elements like <header>, <footer>, <nav>, <article>, <section> etc.

• HTML5 introduces new APIs like geolocation, drag and drop, canvas, video, audio, local storage, etc.

• HTML5 supports new form input types like email, url, date, range, color, etc.

• HTML5 has better support for multimedia elements and improved semantics.

Yes, I have experience in accessibility.

• I have designed e-learning courses with accessibility features such as alt text for images, closed captioning for videos, and keyboard navigation.

• I am familiar with WCAG guidelines and have implemented them in my instructional design projects.

• I have conducted usability testing with individuals with disabilities to ensure the accessibility of the learning materials.

Lookup is used to perform a left outer join in MongoDB, while graphlookup is used to perform recursive graph traversal.

• Lookup is used to perform a left outer join between two collections in MongoDB.

• Graphlookup is used to perform recursive graph traversal in a collection that contains graph data.

• Lookup can only perform a single level join, while graphlookup can perform multiple levels of traversal.

• Lookup is faster than graphlookup for simple join operations.

I have experience with various machine learning algorithms including decision trees, random forests, support vector machines, and neural networks.

• Decision trees

• Random forests

• Support vector machines

• Neural networks

React is a JavaScript library for building user interfaces.

• Component-based architecture

• Virtual DOM for efficient updates

• JSX syntax for writing HTML in JavaScript

• Unidirectional data flow

• Reusable components

• React Hooks for managing state and side effects

Design process involves identifying challenges, brainstorming solutions, prototyping, testing, and iterating.

• Identify the problem or challenge to be addressed

• Brainstorm potential solutions with team members

• Create prototypes to visualize ideas

• Test prototypes with users for feedback

• Iterate on designs based on feedback received