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Chapter 4. The Internet and Safety

The Internet, Browsers and Searching for Information

We find out what the Internet, a browser and a web page are, and learn to search for the information we need in a search engine.

Topic 8 of 111 min readUpdated October 27, 2026
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Chapter 5. Encoding Information

  1. 11Units of Information

The Internet is a global network that joins millions of computers and networks around the world. Information on it is placed on web pages, and a set of linked pages is called a website. Every page has its own address, a URL, for example https://informatik.uz.

To view web pages we use a browser: Chrome, Firefox, Safari or Edge. We type the address in the address bar or click a hyperlink, and the browser opens the page. The “Back” button returns to the previous page, and a “Bookmark” saves a site you like.

If you do not know the address, a search engine (Google, Yandex) helps. Put the most important words in your query: “year Amir Temur was born” gives better results than “everything about Amir Temur”. Put an exact phrase in quotation marks. Do not trust every result: compare information from several reliable sources and check who created the site.

Key takeaways

  • The Internet is a global network joining computers all over the world.
  • A web page is found by its URL and opened in a browser.
  • A search query should be short and precise, made of key words.
  • Information should be checked against several reliable sources.

Practice tasks

  1. Open three sites in a browser, write their URLs in your notebook and bookmark one of them.
  2. Find the answer to “When was Registan Square in Samarkand built?” in a search engine and compare it across at least two sources.
  3. Make two search queries on the same topic: one long and vague, the other short and precise. Compare the results and write a conclusion.

Review questions

Test yourself: think first, then reveal the answer.

  1. 1What is a URL?
    The address of a web page on the Internet.
  2. 2Are a browser and a search engine the same thing?
    No: a browser is a program for viewing sites, while a search engine is a service that finds sites.

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Informatika 7-sinf darsligi muqovasi
In the textbookInformatics — Grade 7