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system is useful because it can represent every byte (8
b
its) as two consecutive hexadecimal digits. It is easier
for humans to read hexadecimal numbers than binary
numbers.
I
IEEE
Institute of Electrical and Electronic Engineers.
Intranet
This is a private network, inside an organization or
company, that uses the same software you will find on
the public Internet. The only difference is that an
Intranet is used for internal usage only.
Internet
The Internet is a globally linked system of computers
that are logically connected based on the Internet
Protocol (IP). The Internet provides different ways to
access private and public information worldwide.
Internet
address
To participate in Internet communications and on
Internet Protocol-
b
ased networks, a node must have an
Internet address that identifies it to the other nodes. All
Internet addresses are IP addresses
IP
Internet Protocol is the standard that describes the
layout of the basic unit of information on the Internet
(the packet) and also details the numerical addressing
format used to route the information. Your Internet
service provider controls the IP address of any device it
connects to the Internet. The IP addresses in your
network must conform to IP addressing rules. In
smaller LANs, most people will allow the DHCP
function of a router or gateway to assign the IP
addresses on internal networks.