THE INTERNET ADDRESS

IP address is :

• A number that uniquely identifies each computer or device connected to the Internet.
• IP addresses are also referred to as IP numbers and Internet addresses.
• IP address sometimes is called a dotted decimal number or dotted quad.
• Unique
• Global and Standardised
• Essential

IP usage :

• A way to find specific server or computer on the internet or a network
• Provide identity to a computer in a network
• Identify for a particular device/machine on a particular network
• Allows transfers of files and e-mail

IP Structure

• IP addresses usually consists of four groups of number each separated by a period.
• The number in each group is between 0 and 255.
• It is 32 bit long ,each group is 8 bits long
• Commonly written in decimal.
• Written, for example, 128.35.0.72
  
  IP Address
  
  DNS