Networks and Internet: Types and Components

Networks and Internet Basics

• Networks are sets of interconnected devices that share data and information
• They enable users to communicate and collaborate through a shared connection
• Networks are used in education, business, health, and entertainment

Types of Networks

• Networks vary based on the area they cover and the type of connection they use

Local Area Network (LAN)

• It covers a small geographic area such as an office or home
• It provides a fast connection between devices

Wide Area Network (WAN)

• It covers large areas including multiple countries or continents
• It includes the internet

Metropolitan Area Network (MAN)

• It covers a city or a specific region
• It is often used to connect different branches of a company within a city

Personal Area Network (PAN)

• It is a small network that covers a short distance
• It connects personal devices to a phone or computer

Network Components

• Networks consist of basic elements that enable effective device connection

Devices

• Includes computers, smartphones, and servers

Switch

• It connects devices on the local network
• it distributes data among them

Cables and Fiber Optics

• Transmit data between devices on the network