About Internet
Hello Guys...!
Do you all know what exactly the
Internet is ?
It can be simply defined as a
network of networks which consists of millions of networks.All the websites
which we open in our day to day life are nothing but computer or a group of
computers(Clustered Computers which have more CPU's to handle more data and
processes).So,these computers are identified by their IP address every website
has an IP address to identify that it belongs to a particular system.
It will be difficlut to remember
the IP addresses of different websites if it was the only way to access the
website that is the reason the organisation world wide web has come with a
thing called URL(Uniform Resource Locater).
Example:
www.google.com can also be
accessed by its IP address
If you want to find the IP
address of a website you can ping that website in Command Prompt (windows) or
Terminal (Linux)
Ping command is used to know
whether that website or any Computer is active or not.It sends some data
packets to that website or computer and request it to send it back so if tahts
ystem is active it sends back the packets if it is not active they go waste
thus we can know whether it is active or not.
If we type "ping www.google.com"
We can see the ip address and
details abput how many packets we have sent and received.This internet is free
and everyone can use it so you might get a doubt the why we are paying the
mobile operators or other ISP's who ever maybe.
We are not paying for internet we
are actually paying to connect to that global network(which is internet).Where
google,yahoo,bing,facebook...etc.All these are in a network so we are paying to
connect to that network.Mobile operators and other ISP's they need to do some
work connecting to all areas.
If we take mobile operators he
needs to do the cabling and other things to connect to the globalnetwork he
needs to connect every signal producing tower to a place where he connects to the internet.As 2G 3G 4G
comes he needs to install new cable or introduce something else which costs a
lot because many people connect.
Now we have got used to internet
a lot , mobile operators want to use this and trying to start charging for
basic services like whatsapp,google which were free and facebook wants use this
situation and make Indians feel good about facebook.Infuture facebook may
introduce something like this where we may feel to pay as they were helping us
when mobile operators were charging.
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