Internet is a global network in which all computers and
devices are connected with each other through ISP, routers and servers. If any computer/device
is connected to the internet then it can communicate with any other
computer/device on the internet. The communication may be in the form of exchanging
text, picture, video, voice and game/software.
History of internet
In 1960, the United States Department of defense makes
ARPANET. ARPANET initially consists of only 100 computers. These were
university computers by which different universities send and receive messages
to one and another. During that time all the addresses of connected computers
were saved by ARPANET server.
More computers were added to the ARPANET and managing all
the computers by ARPANET become difficult. In early days circuit switching was
used for communication between computers.
In 1970 TCP/IP protocol was made for communication between
computers. In the 1980s, the internet
was made which uses TCP/IP protocol and packet switching for
communication. During that period one computer scientist named Tim burner’s lee
make HTTP (Hypertext transfer protocol) and WWW (World Wide Web).
In the 1990s, many computers started adding to the internet
through ISP (Internet service providers). A dial-up connection is used in those
days for communication that was very slow. With the passage of time, DSL or
broadband internet was introduced which increase data transfer rate over the
Advantages of internet
Below are some benefits of using the internet:-
You can search for any type of information by using Google search engine. There
are plenty of other search engines available by which you can discover new
Apply for job online:
There are many job websites on the internet by which you can apply for the job
and get hired. In most cases, job interviews are also done on the internet
Shopping online: You
may hear about the Amazon website on which you can buy anything like books,
electronic devices, cosmetics or any other thing you need. There are hundreds
of other online stores by which you can order any product online and it will be
delivered to your home. Nowadays fast food and any other type of foods like
rice, fish, milk, and fruits can also be ordered online. You can use
credit/debit card for placing an online order or you can manually give money when
the product arrives at your home.
Online banking: Most banks
give you online account access on PC or your mobile. You can transfer money
from your online bank account to any other bank account. You can also pay
utility bills by different services.
Sending and receiving emails:
Hotmail was the first email service providers on the internet. Later Google Company
announces Gmail which is now a popular email service provider. Gmail now gives
15 GB of space for email and other services like Google drive, Google Photos
and others. You can send an email message to anyone within seconds. The email contains
text, images and videos also.
Playing games online: You
can now play games on the internet and chat with other people also. Children play
the game with each other online and enjoy their time.
Earn money online:
Earning money from making websites is a good source of income. Also, you can
earn money by making videos on YouTube. You can also sale your technical
courses online or work as a freelancer.
Monitor your business: In-office
or any other business place, the owner can monitor the staff performance
online. This is done because cameras are installed in the workplace and are
connected to the software. The owner can see the cameras by mobile or through
There are many websites on which you can learn by watching videos. Your performance
can be checked by online tests. You can practice the exercises given by your instructor
and can also chat with the instructor.
Entertainment: You can
watch movies online and also listen to songs, TV shows, celebrity interviews
and much more.
Buy and sell: Buying
and selling anything online is easy and cost-effective. You can buy/sell
digital products like watches, mobiles, LED’s, tablets, computers, bike, jewellery,
Facebook, Twitter, YouTube and Instagram are popular websites in which people
can communicate with each other. In these sites family members, friends and
other people can share their photos/videos and chat with each other. Social media
sites are good for marketing and time pass also.
Helps in travelling:
You can book your airline tickets online. Similarly, you can book hotel rooms
online. If you want to travel to any place then Google maps help you to find the
right road to reach your destination.
Company profile: If
you want to know details about any company like pizza Hutt, coca cola, Toyota, Honda
then these companies have their own websites made. You can also communicate
with these companies through their Facebook pages.
Disadvantages of internet
Below are some drawbacks of using the internet:-
Heath problem: People
who use the internet all day get ill and they may get back pain and eye
weakness. Using the internet is a type of addicted behavior which is not good
Under age material: The
Internet is sometimes not good for children because there are all types of information
placed on the internet including under age sensitive content. So parents have
to make a restriction on their children and block unwanted websites on their
Wrong information: As
anyone can upload data on the internet so there may be a chance that you will
get misleading information from the internet. So a better solution to this is
that you can only trust the information which is provided by authentic resource
Time waste for students:
Most of the students waste their time on the internet and their studies are
disturbed. They use social media sites most of the time and don’t care about
Crimes problem: In
social media sites, terrorists are also active and they abuse and mislead
innocent people. Some people upload image/videos that are against the government
and it affects people life also.
Virtual world: There
is a difference between the virtual and real world. You may get the wrong behavior
on virtual world (internet) and when you go to the real world then you will want
to isolate yourself from other people.
Spamming: Spam means
sending irrelevant information to people continuously. We get spamming in
emails and social sites which is time wastage and may take people to fraud.
Virus attacks: With
the evolution of the internet, virus programs are also made. If your computer
is connected to the internet then virus attack is common. The virus program when
attacks on your computer then your important data is stolen or deleted. So it
is better to install anti-virus software on your PC and don’t store sensitive
data (bank account details, credit/debit card details) and other important data
on your computer.
Lack of job security:
If you are a computer programmer or related to the online world then you have
to evolve with the upcoming technologies. A computer programmer has to update
his skills continuously. If you don’t update your skills then you may lose your