A network is a system that connects two or more computers or digital devices so that they can communicate and share resources.
Devices can be connected using:
- Physical cables, such as Ethernet cables
- Wireless signals, such as Wi-Fi or Bluetooth
- Mobile telecommunication systems, such as cellular networks
Examples of connected devices
A network may connect:
- Desktop computers
- Laptops
- Tablets
- Smartphones
- Printers
- Servers
- Smart televisions
- Game consoles
- Smart home devices
Resources that can be shared through a network
| Shared Resource | Example |
|---|---|
| Files | Documents, photographs and videos |
| Hardware | Printers, scanners and storage devices |
| Software | Applications used by several employees |
| Data | Customer information and accounting records |
| Internet connection | One broadband connection shared by multiple users |
Example
A family may connect three laptops, a smartphone, a smart television and a wireless printer to the same Wi-Fi router. All users can access the Internet, while selected users can also send documents to the printer.
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