100+ ERNET India Interview Questions and Answers

No, a directory is not a file in the context of computing.

• A directory is a special type of file that contains information about files and other directories within it.

• Directories are used to organize and store files in a hierarchical structure.

• Examples of directories include folders on a computer's file system.

To add a list in programming, you can use arrays or lists depending on the language.

• In Python, you can add elements to a list using the append() method.

• In Java, you can add elements to an ArrayList using the add() method.

• In JavaScript, you can add elements to an array using the push() method.

ASYNC/AWAIT is a feature in JavaScript used for handling asynchronous operations.

• ASYNC is used to define a function as asynchronous

• AWAIT is used to pause the execution of a function until a Promise is settled

• ASYNC/AWAIT simplifies asynchronous code and makes it easier to read and write

• Example: async function fetchData() { await fetch('https://api.example.com/data'); }

Solid design principles are fundamental guidelines for designing software that are focused on maintainability, scalability, and reusability.

• Solid design principles include Single Responsibility Principle, Open/Closed Principle, Liskov Substitution Principle, Interface Segregation Principle, and Dependency Inversion Principle.

• These principles help in creating software that is easier to maintain, extend, and test.

• For example, adhering to the Single Responsibility Principle ensu...read more