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It is the IP ADDRESS which uniquely identifies any computer conected to internet. It gives the location of the computer also.
Primary key is the field that uniquely identifies each record in a table. It ensures that each record in a table is unique, and helps to establish relationships between tables in a database.
The field that uniquely identifies a record in a table is called the primary key. It ensures that each record in a table is distinct and can be easily located and referenced.
A tracking code is a number or alphanumeric sequence that uniquely identifies a package. At each step in the shipping process, the tracking code is scanned into the computer system, so that a user can type in that tracking code and see the progress of the shipment.
In networking every system has a associated address to be identified in the network. The address associated with the system in network is called IP address . you can get your unique address by using PING command in command prompt or can check it online as well.
IP addressNumber that uniquely identifies each computer on the internet. A computer's IP address may be permanently assigned or supplied each time that it connects to the Internet by an Internet service provider. In order to accommodate the extraordinary growth in the number of devices connected to the Internet, a 32-bit protocol standard, known as IPv4, began to be replaced by a 128-bit protocol, IPv6, in 2000.Source: Answers.comInternet program
Each flight has a flight number which identifies it.
IP address is the internet protocol address which is unique for each system in the given network. IP address is like an unique id that uniquely identifies a system on a network. Yes even if you are not connected to internet, computer would still have an IP address.
The most common identifier used to index and link databases is the primary key. It uniquely identifies each record in a table and is used to establish relationships between different tables in a database.
ID number
The number of neutrons is different for each isotope.
The number of neutrons is different for each isotope.