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numbers 0 to 9 and the letters A to F. For example, the
decimal number 15 is represented as F in the
hexadecimal numbering system. The hexadecimal
system is useful because it can represent every byte (8
bits) as two consecutive hexadecimal digits. It is easier
for humans to read hexadecimal numbers than binary
numbers.
I
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-based 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.
IP address
IP address is a 32-binary digit number that identifies
each sender or receiver of information that is sent in
packets across the Internet. For example 80.80.80.69
is an IP address. When you “call” that number, using
any connection methods, you get connected to the
computer that “owns” that IP address.
ISP
ISP (Internet Service Provider) is a company that
maintains a network that is linked to the Internet by
