Computer Networking Fundamentals: Protocols and Hardware

Introduction to Computer Networks

A computer network is a collection of interconnected devices that can communicate with each other and share resources. These devices can include computers, servers, routers, switches, and other hardware. The primary purpose of a computer network is to facilitate communication and resource sharing among the connected devices.

Key Concepts of Computer Networks

1. Types of Networks

  • Local Area Network (LAN): A network that covers a small geographical area, like a home,
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Data Transmission and Multiplexing Techniques

Data Transmission Methods

Synchronization

Asynchronous Transmission: The issuer informs the receiver about the transmission instants. The receiver interprets the asynchronous information.

Synchronous Transmission: Transmission occurs at a constant cadence without needing character discrimination. This method aims to modulate the signal and adapt it to the channel, utilizing frequencies with the best channel response.

Modulation Techniques

Amplitude Modulation (AM): Modifies the wave’s amplitude (height)

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Machine Learning and Deep Learning Concepts Explained

XGBoost Algorithm

Which of the following is/are true about the XGBoost algorithm?

  • It consists of decision trees as base learners.
  • It is not the best choice for complex image recognition or NLP projects.
  • Boosting is a technique that converts a collection of weak learners into a strong learner.
  • If we use a CART tree as the base model, each leaf node is assigned a numerical score.

Which of the following is/are true about the XGBoost model?

  • It is an additive model where the base functions are chosen from the
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CSS Animation & Transition Examples: Bird, Cloud, Hover

Ejercicio 3

Contenido de Ejemplo

  • Texto 1
  • Texto 2
  • Texto 3
  • Texto 4
  • Texto 5
  • Texto 6
  • Texto 7
  • Texto 8
  • Texto 9
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  • Texto 11
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Añadir Modificar Borrar

Animación de Pájaro


Ejercicio Nubes

Animación de Nube con Lluvia

Efecto Hover con Transición

Placeholder Image

Título

Este es un texto de ejemplo que aparecerá con la transición al pasar el cursor.

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HTML, CSS, JavaScript & jQuery: Web Development Essentials

HTML Structure

  • <!DOCTYPE html>: Declares HTML5 version.
  • <html lang="en">: Root element; lang specifies language.
  • <head>: Metadata, links to CSS/JS, SEO content.
  • <meta charset="UTF-8">: Ensures proper character encoding.
  • <meta name="viewport" content="width=device-width, initial-scale=1.0">: Ensures responsiveness.
  • <title>: Defines page title.
  • <body>: Contains visible content.

Common HTML Elements

  • Text Formatting: <h1>-<h6>, <p>, <b>, <i&
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Networking Essentials: CDMA, Error Handling, and Transmission

Networking Essentials

CDMA (Code Division Multiple Access)

Q. Working of CDMA

Ans. Code Division Multiple Access (CDMA) works by assigning a unique code to each user. Here’s how it works:

  1. Data Encoding: Each user’s data is multiplied by a unique spreading code, spreading the signal across a wider frequency band.
  2. Transmission: Multiple users transmit their encoded data over the same frequency band at the same time.
  3. Reception: The receiver uses the corresponding unique code to decode the signal, separating
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