Question

short note on search engine​

Answer 1

Answer:

                                  SEARCH ENGINE

• A search engine is a service that allows Internet users to search for content on the World Wide Web (WWW). A user enters keywords or key phrases into a search engine and is presented with a list of web content results in the form of websites, images, videos, or other online data that semantically match the search query.
• A search engine is a web-based tool that allows users to find information on the World Wide Web. Popular examples of search engines are Google, Yahoo! and MSN search. Search engines essentially act as filters for the vast amount of information available on the Internet.
• They allow users to quickly and easily find information that is really interesting or valuable without having to navigate through numerous irrelevant web pages.
• Search Engine refers to a huge database of Internet resources such as websites, newsgroups, programs, images, etc. Helps to search for information on the World Wide Web.
• The user can search for any information by passing a query in the form of keywords or phrases. It then searches its database for relevant information and returns to the user.

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Answer 2

Answer:

A search engine is a web-based tool or software, which helps internet users to search for information on the World Wide Web. When the user types a word in the search bar, it is called a keyword. Based on these keywords and keywords, search engines display a long list of web results in front of the user.

Explanation:

Search Engine

Search Engine is the only medium that works for us to find information on the web. There are millions of websites on the Internet and they all provide some information for us. But just imagine, if there were no search engines, then how would you know on which website the information about that specific topic would be found?

For example, Google, Bing, Yahoo, Baidu, and Yandex are popular search engines.

Whenever you search by typing a keyword or key phrase in the search box. So how can it show us the exact result? This work is done by the search engine in three phases. First is Crawling, Indexing is the second and Retrieval is the third phase.

Classification of Search Engines:

Search engines are classified into the following three categories.

1. Crawler-Based Search Engines
2. Directories
3. Hybrid Search Engine

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