Every PC that is connected to Internet for being recognizable from others has one global and unique address, called the IP address.
IP address is a number of 32 bits - 4 Bytes (IPV4) or a number of 128 bits - 16 Bytes (IPV6).
Since the IP address is difficult to be memorized,there is another system in which the names of PCs are made of words separated from dots instead of numbers. Consequently every PC has one global and unique domain name.
So there is a mechanism - a system - that corresponds the names to IP addresses. This system is called Domain Name System - DNS.
IP address is a number of 32 bits - 4 Bytes (IPV4) or a number of 128 bits - 16 Bytes (IPV6).
Since the IP address is difficult to be memorized,there is another system in which the names of PCs are made of words separated from dots instead of numbers. Consequently every PC has one global and unique domain name.
So there is a mechanism - a system - that corresponds the names to IP addresses. This system is called Domain Name System - DNS.
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