An Internet Protocol (IP) address is a unique numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. Think of it as a postal address for your computer, smartphone, or printer. If the address is wrong, the data gets lost.
IP addressing is a method of assigning a unique identifier, known as an IP address, to each device on a network. This allows devices to communicate with each other and enables data to be transmitted between them. An IP address is a 32-bit or 128-bit number that is typically represented in dotted decimal notation, consisting of four numbers separated by dots (e.g., 192.168.1.1). ip addressing and subnetting pdf