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Internet and Its Uses

Internet and Its Uses

 

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With respect to class 4 Internet and Its Uses, the internet is a collection of computers connected by network cables or through satellite links. The internet allows the sharing of information. The Internet connects millions of computers around the world. Thus the internet is a worldwide network. It was one of the greatest inventions of the 1960s.

Let us study how the internet was invented!

History of Internet

A group of researchers was working for the USA Government in the 1960s. They created a computer network with a group of computers that could keep working even if some of the computers were damaged.

In the next few years, big companies, universities, etc joined this network and they made a web of networks that were all connected together across the country.

This web of network expanded worldwide and thus, the internet was created.

Why do we need the internet?

Internet has become an important part of our day to day lives. We need the Internet for:

  1. Communication –We can chat, share images and videos with the people from the other end of the world.
  2. Entertainment- We can watch movies, play games, listen to music, etc using the internet.
  3. Education- Internet has various pages from which we can gain knowledge about the topics we study in schools or new topics.
  4. Shopping- We can also buy items such as clothes, shoes, etc from the internet.

Now let us learn how to use the internet.

With respect to class 4 computer lessons, how to use the internet?

Internet can be used by installing application software like Web browser. Common web browsers are- Microsoft Internet Explorer, Google Chrome and Mozilla Firefox.

Steps to open Web Browser

  1. Click on the web browser icon.
  2. Write the website name on the address bar.
  3. Click on go or press enter.

 

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With respect to class 4 Internet and Its Uses, the definition of Search Engines

With respect to class 4 computer lessons, a search engine is a computer software that is designed to search for information on the Internet.

Search Engines like Google, Yahoo, etc.

 

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Using Search Engine

With respect to class 4 computer lessons, let us learn how to find, download and save images from a search engine-

Steps are as follows-

  1. Open the web browser and search engine.
  2. Type the topic related to the image you want to search.
  3. Click on the search button.
  4. Many pictures will be displayed. Choose the appropriate picture and double click on the image to enlarge its size.
  5. Right click on the image and select Save the image option.
  6. Save as dialog box will open, go to the location where you want to save the image.
  7. Click on save button.

 Examples

Q1. ..................  is a collection of computers connected by a network.

Ans: Internet.

Q2.One of the most common web browsers is?

Ans: Microsoft Internet Explorer.

Q3. ..................  is computer software that is designed to search for information on the Internet.

Ans: Search engine.

Q4.In which country was the internet invented?

Ans: USA

Recap

  • The Internet is a collection of computers connected by network cables or through satellite
  • The Internet is a worldwide network.
  • Internet was created by a group of researchers in the USA.
  • We need the Internet for Communication, Entertainment, Education, and Shopping.
  • The Internet can be used by installing application software like the Web browser.
  • A search engine is a computer software that is designed to search for information on the Internet.

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