IPv4 is the protocol developed in the 1970s that dictates how computers on the Internet communicate. Each computer on the Internet needs it own Internet address. IPv4 uses 32-bit addresses. How many...

IPv4 is the protocol developed in the 1970s that dictates how computers on the Internet communicate. Each computer on the Internet needs it own Internet address. IPv4 uses 32-bit addresses. How many computers can the Internet handle? Is this enough for every mobile phone and every toaster to have its own?