Application of Computer new

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Internet
Definition
A global network that connects million of computers together, known as the
internet.
Internet is the vast inter connection of computers across the world.
The Internet is the fastest way of retrieving information
It also called a network of networks in which users at any one computer can, get
information from any other computer if they have permission.
World Wide Web
The WWW is known as the World Wide Web , is a store house of information .It
is a collection of several documents called web pages, which are interlinked with
each other Web pages is achieved using Hypertexts.
Hypertext connects on one web page to another web page.
Hypertexts are the highlighted or underline text on the web page.
Internet
It was conceived by the Advanced Research Projects Agency (ARPA) of the U.S.
government in 1969 and was first known as the ARPANET. The original aim was to
create a network that would allow users of a research computer at one university to be
able to "talk to" research computers at other universities.
Network Topology
‣ Network topology refers to the physical layout of the network i.e. the locations of
the computers and how the cable is run between them.
‣ To select the right topology for how the network will be used is very important.
‣ Each topology has its own strength and weaknesses.
Types of Network Topology
STAR TOPOLOGY
BUS TOPOLOGY
RING TOPOLOGY