Introduction to Computer networking pptx

Introduction of computer networking

1. Introduction To Computer Network Computer networking refers to interconnected computing devices that can exchange data and share resources with each other. These networked devices use a system of rules, called communications protocols, to transmit information over physical or wireless technologies.

2. communication model in computer network A communication model is a conceptual framework that describe the process of communication between two or more parties . It typically consists of four key components : the sender, the message, the channel, and the receiver. The sender is an individual, group, or organization who initiates the communication. A message is a communication or statement conveyed from one person or group to another. A communication channel is the medium through which you send a message to another person . The receiver is the person who receives the message from the sender, or the person who decodes the message . A communications protocol is a set of formal rules describing how to transmit or exchange data, especially across a network.

3. C omponents Of D ata Communication