Node.js Architecture Overview

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Questions and Answers

What are the two fundamental components that Node.js leverages?

  • Chromium and OpenSSL
  • WebKit and LibreSSL
  • Deno and Bun
  • V8 JavaScript engine and libuv library (correct)

What is the primary responsibility of the V8 JavaScript engine in Node.js?

  • Handling asynchronous I/O operations
  • Executing garbage collection and memory management (correct)
  • Implementing the event loop
  • Abstracting platform-specific details

Which feature of Node.js enables non-blocking execution of asynchronous operations?

  • Garbage collection
  • Thread pooling
  • Event-driven architecture (correct)
  • Cross-platform asynchronous I/O operations

What is the primary responsibility of the libuv library in Node.js?

<p>Handling cross-platform asynchronous I/O operations (B)</p> Signup and view all the answers

Which feature of the libuv library enables Node.js to handle CPU-bound tasks efficiently?

<p>Thread pooling (B)</p> Signup and view all the answers

What do the V8 JavaScript engine and the libuv library together provide for Node.js?

<p>A backbone for building high-performance, scalable, and cross-platform server-side applications (B)</p> Signup and view all the answers

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Study Notes

Node.js Components

  • Node.js leverages two fundamental components: V8 JavaScript engine and libuv library

V8 JavaScript Engine

  • Primary responsibility of V8 JavaScript engine is to execute JavaScript code

Non-Blocking Execution

  • Node.js enables non-blocking execution of asynchronous operations through its event-driven, non-blocking I/O model

libuv Library

  • Primary responsibility of libuv library is to provide an asynchronous I/O interface
  • libuv library's feature of thread pooling enables Node.js to handle CPU-bound tasks efficiently

Node.js Capabilities

  • V8 JavaScript engine and libuv library together provide Node.js with the ability to execute JavaScript code and handle I/O operations efficiently

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