1.  An IP address is a four-part number that uniquely identifies each computer connected to the Internet.

2.  An I.P. address is a four-part number that uniquely identifies each computer connected to the Internet.

3.  Each cookie contains a tracking number, and since the number identifies a computer, not a specific user, it is considered anonymous.

4.  Earlier this month, Smith made headlines with his discovery that Microsoft Word documents contain embedded serial numbers that can be used to identify the computer that generated them.

5.  My new computer was identified by a fine, muscular number, a number that said everything about speed and power and sheer broad-shouldered ruggedness.

6.  That code is sent to Microsoft, identifying your computer.

7.  The idea was to link user-friendly names to the baffling strings of numbers that identify computers online.

8.  The IP, or Internet Protocol, address is how a computer is identified on a network, or LAN.

9.  The number is used to identify the computer to the local network.

10.  You will see an assortment of digital tags that let the Web site identify your computer as a unique visitor.