What is an IP address?

An IP address serves as a unique identifier for a device on a network, allowing it to communicate with other devices. Each device connected to a network, whether it's a computer, smartphone, or printer, requires an IP address to send and receive data over the Internet or an internal network. This address functions similarly to a postal address, enabling data packets to reach their intended destination.

The concept of a unique identifier is crucial for network communication, as it ensures that data is directed to the correct location, preventing confusion between different devices. Without this distinct identification, devices would not be able to effectively communicate, making IP addresses essential for the functioning of both local and global networks. Understanding the role of IP addresses contributes to a broader understanding of networking principles and the Internet's infrastructure.