What is the internet
It is also called a network of networks, that consists of private, public, academic, business, and government networks. All these networks are connected from local to global scope with a wide array of electronic, wireless and optical networking technologies.
What is the Internet |
Simple definition of the Internet
History of the internet
Development of ARPANET then began with two network nodes, and then it was limited to four universities: UCLA, UCSB, Stanford Research Institute and University of Utah. The Internet was conceived during the Cold War to provide a reliable way to exchange information anywhere. Followed by the Utah Graphics Department. Fifteen sites were associated with the young ARPANET by the end of 1971, in an indication of future development.
history of internet |
Today, 'NSFnet', established as the backbone of communication services on the Internet, was developed in 1986 by the US 'National Science Foundation'. With a 45-megabyte communication facility in a second, NSFNet was able to exchange twelve billion information packets on network in a month.
In the past, the Internet was limited to scientists, engineers, and professors. Internet was fully commercialized in 1995. After that, new technology related to the Internet was widely developed. Government agencies, industries and educational communities of various countries started using it.
Types of Internet Connections
There are many types of internet connections depending on the device used, speed and medium. Some famous and used types of internet connections are here
Dial-Up Internet connection
A dial-up Internet connection is an Internet access in which a number is dialed over a conventional telephone line using the facilities of a public switched telephone network (PSTN) to establish an Internet connection with Internet Service Provider (ISP). Dial-up internet connection is cheap but slow. A modem is used between the computer and the telephone line to convert the signal. Due to the variability of telephone lines in quality, the connection is sometimes damaged. we can get just 28K to 56K speed on Dial-Up connection.
DSL Internet Connection
The full form of DSL is Digital Subscriber Line. It is using 2 lines so that the phone is not tied when connected to your computer and the internet connection is always "on". There is also no need to dial any phone number to connect. DSL Internet connection uses a router to transport data and the range of connection speed, we can get between 128K to 8 Mbps speed depending on the service offered.
Cable Internet Connection
Cable Internet connection is a form of broadband Internet access which uses the same infrastructure as a cable television. Cable provides a high speed internet connection through a cable modem, it's operates over cable TV lines. Cable internet connection is the best option for you if you do moderate file sharing, web browsing and online backup. It is also an efficient connection for VoIP services and HD audio streaming. You feel the best use of internet when you use a cable internet connection. Speeds range of cable is from 512K to 20 Mbps, using internet explorer and other browser you can test internet speed.
Wireless Internet connection
Today we are all well acquainted with Wi-Fi, wifi full form is wireless frequency. This means that the connection is established only through radio frequency without any cables or wires. WiFi connection can be established using WiFi router, users connect via WiFi password. Speeds range of Wi-Fi is 5 Mbps to 20 Mbps.
Satellite Internet Connection.
Satellite is an object that is deliberately placed in orbit and that revolves around a large object.Satellite placed in orbit for different propose and it's needs internet connection
to communicate and share data to their station. Satellite Internet connection
is established via a signal using communications satellites and computers. Speeds
are around 512K to 2.0 Mbps.
Cellular Internet Connection.
Various mobile service providers provide broadband internet service through cellular technology. The Internet can be accessed using a subscriber identification module (SIM) card in a portable modem or cell phone and access the service on more than one device.Importance of the Internet
The Internet
has provided many opportunities for many people around the world. It is an
expression of never ending innovation and creativity. There is no limit to it,
but every country has brought huge economic possibilities for the people. The
Internet allows people to improve the quality of their lives. This opens up
access to previously inaccessible things.
Today, millions
of people all over the world have chosen internet for their education, business
and employment. With about 4.57 billion users, the Internet is emerging as one
of the most important tools of communication. Everyday new opportunities are
born on the internet.
The role of
the Internet as a communication tool is increasing day by day. Given this fact,
the United Nations recently proposed that access to Internet services should be
a part of human rights. The Internet has affected almost every aspect of human
life, not only private life but also public services. Right now, no one can
prevent other individuals from making their private lives public.
Advantages of the Internet
Today, the Internet has become an integral part of our lives. When we eat, drink and wake up, we want to be connected to the internet all the time. Be it office or home or school, college, internet usage is increasing day by day. There are so many advantages of internet connection. some are here
- · Research, Information, knowledge, and learning
- · Entertainment, online gaming
- · Address, mapping, and contact information
- · Communication, connectivity and sharing
- · Banking, bills, and shopping
- · Selling and making money
- · Collaboration, work from home, and access to a global form
- · Donations and funding
Disadvantages of the Internet
While there are many advantages of internet, there are also some disadvantages due to its misuse. These are some disadvantages of internet.
- · Bullying, trolls, stalkers, and cyber crime
- · Pornographic and violent content
- · Internet addiction, time waster and causes distractions
- · Depression, loneliness, and social isolation.
- · Identity theft, digital hacking and cheating
- · Viruses, spam and advertising
- · Affects focus and patience
1 Comments
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