Full Stack Web Development MASTERY Course - Novice to Expert - Node.js Core Modules

The video tutorial introduces Node.js core modules, focusing on the FS module for file operations. It covers setting up a JavaScript environment in VS Code, executing basic JavaScript code, and using the FS module to create, write, read, and rename files. The tutorial explains the difference between synchronous and asynchronous functions, highlighting the importance of understanding these operations for backend development.

What are Node.js core modules similar to?

• Database schemas

• HTML templates

• CSS frameworks

• JavaScript libraries

Which tool is used to run JavaScript code in the terminal?

• NPM

• Node.js

• Live Server

• React

Which command is used to execute a JavaScript file in Node.js?

• node

• npm start

• execute

• run

What is the purpose of the FS module in Node.js?

• To style web pages

• To handle HTTP requests

• To manage file systems

• To create animations

What does the writeFileSync function do?

• Reads data from a file

• Renames a file

• Deletes a file

• Writes and overwrites content in a file

What happens if you use writeFileSync on an existing file?

• It appends the content

• It deletes the file

• It renames the file

• It overwrites the content

What is required to use the writeFileSync function?

• The FS module

• An internet connection

• A database connection

• A CSS file

What type of data does readFileSync return?

• String data

• XML data

• Buffer data

• JSON data

How can buffer data be converted to string data?

• Using parseInt

• Using JSON.stringify

• Using toUpperCase

• Using toString function

What is the purpose of the renameSync function?

• To rename a file

• To write to a file

• To delete a file

• To read a file