NCR Voyix Application Development Associate Interview Questions and Answers

Q1. Explain react dom in details
Ans. 
React DOM is a package that provides methods for updating the DOM in response to React components.
• React DOM is used to render React components to the DOM.

• It provides methods like ReactDOM.render() to render components.

• React DOM efficiently updates the DOM when the state of a component changes.

• It handles events and updates the DOM accordingly.

• React DOM is separate from React itself, allowing for flexibility in rendering
Answered by AI
Add your answer
Q2. Explain MVC in rails
Ans. 
MVC in Rails is a software design pattern that separates the application into three main components: Model, View, and Controller.
• Model: Represents the data and business logic of the application.

• View: Represents the user interface of the application.

• Controller: Acts as an intermediary between the Model and View, handling user input and updating the Model accordingly.

• Example: In a Rails application, a User model would ha...read more
Answered by AI
Add your answer

12 Questions related to SQL.

Q1. What is your long term goal?
Add your answer
Q2. Tell about your roles and responsibilities in previous organisation.
Add your answer

Q1. Main focus was on customer service. How to handle the customer.
Add your answer

Write code for micro service

Q1. Explain singleton
Ans. 
Singleton is a design pattern that restricts the instantiation of a class to one object.
• Singleton pattern ensures that a class has only one instance and provides a global point of access to it.

• Commonly used in scenarios where only a single instance of a class is needed, such as database connections or configuration settings.

• Implementation can involve a private constructor, a static method to access the instance, and a ...read more
Answered by AI
Add your answer

Q1. Project explanation,security concept question,integration basics,what are debug logs
Add your answer
Q2. Lwc lifecycle hooks and one trigger to code
Add your answer

Q1. Garbage collector algorithm
Ans. 
Garbage collector algorithm manages memory allocation and deallocation in a program.
• Garbage collector automatically frees up memory that is no longer in use.

• It identifies and removes objects that are no longer referenced by the program.

• There are different types of garbage collector algorithms such as mark-and-sweep, reference counting, and generational.

• Java and .NET languages use garbage collector by default.

• Garbage co...read more
Answered by AI
Add your answer

Q1. Memory management questions
Add your answer