An IP address (Internet Protocol Address) is a numerical identification (logical address) of a network adapter. WiFi Wireless IEEE 802.11N/G/B WLAN 150Mbps Network Adapter USB2.0 Wireless Lan USB Adapter for Laptop Noteook Desktop PC Suport Vista/Windows 7(32bit & 64bit)/Linux
Every computer has their own IP address are all different is like a home address.
There are two version of the Internet Protocol (IP) are currently in use
Internet Protocol Version 4 (IPv4) : 192.168.1.100 limited to 4,294,967,296 IP address
Internet Protocol Version 6 (IPv6) : 2001:db8:0:1234:10:567:12:11 about 340 trillion trillion trillion IP address
There are two kinds of IP address's Static and Dynamic
A dynamic IP address changes each time you connect to your Internet Service Provider (ISP). This allows ISPs to keep a pool of addresses available.
A static IP address is fixed, much like a telephone number. If your ISP gives you a static address, you will always use the same address.