Congruex Asia Pacific Software Developer Interview Questions and Answers

Firmware is a type of software that is embedded in hardware devices to control their functionality.

• Firmware is a combination of hardware and software.

• It is used to control the behavior of hardware devices.

• Firmware is typically stored in non-volatile memory, such as ROM or flash memory.

• Examples of devices that use firmware include routers, printers, and digital cameras.

I am a passionate software developer with experience in building web applications and solving complex problems.

• Experienced in programming languages such as Java, JavaScript, and Python

• Familiar with front-end technologies like HTML, CSS, and React

• Strong problem-solving skills and ability to work in a team environment

• Previous projects include developing a customer management system for a small business

OOPs concept stands for Object-Oriented Programming concepts which includes encapsulation, inheritance, polymorphism, and abstraction.

• Encapsulation is the process of hiding the implementation details from the user.

• Inheritance allows a class to inherit properties and methods from another class.

• Polymorphism allows objects to take on multiple forms or behaviors.

• Abstraction is the process of hiding unnecessary details from

Lazy loading is a technique used to defer the loading of non-critical resources until they are needed.

• It improves page load time and performance.

• It is commonly used for images, videos, and other media files.

• It can be implemented using JavaScript libraries like LazyLoad or Intersection Observer API.

• Lazy loading can also be used for modules and components in web applications.

• It helps to reduce the initial load time of th

Eager loading is a technique used in software development to load related data in advance to avoid multiple database queries.

• Eager loading is used to optimize database queries and improve performance.

• It loads all the required data in a single query instead of making multiple queries.

• It is commonly used in Object-Relational Mapping (ORM) frameworks like Hibernate, Entity Framework, etc.

• Eager loading can be used with var...read more