Understanding URL
The full form of URL is Uniform Resource Locator. It is basically the address of a resource on the internet and indicates the location of a resource as well as the protocol. A URL contains the following information:
• The protocol used to access the resource
• The location of the server (whether by IP address or domain name)
• The port number on the server (optional)
• The location of the resource in the directory structure of the server
• A fragment identifier (optional)
• An example of URL is https://www.amazon.com, which is the URL for the amazon website.
A domain name is a part of URL:
Overview of URL:
Below is the additional information about each of the sections of the http URL:
• http:// or https://: The "http" stands for Hypertext Transfer Protocol. It lets the browser to know which protocol it is going to use to access the information specified in the domain.
• www: "www" stands for World Wide Web and is used to distinguish the content.
• Computerhope.com: "computerhope.com" is the domain name for the website. It is used to identify the type or location of the website.
• jargon/u/: The "jargon" and "u" portions of the above URL are the directories where the web page is located on the server.
• url.htm: url.htm is the actual web page on the domain you're viewing.
Search Engine-
A web search engine or Internet search engine is a software system, designed to carry out web search, i.e., to search the World Wide Web in a systematic way for particular information specified in a textual web search query.
OR
Search engine is a website for the user to search the content of internet. User just has to put the searching item into the search bar as shown below
How does the search engine work?
CRAWL: Scour the Internet for content, looking over the code/content for each URL they find.
INDEX: Store and organize the content found during the crawling process. Once a page is in the index, it’s in the running to be displayed as a result to relevant queries.
BLANK: Provide the pieces of content that will best answer a searcher's query, which means that results are ordered by most relevant to least relevant.
Internet as an educational tool
Internet is not only beneficial for communication and entertainment but also incredibly useful for educational purposes.
Accessibility-
• Some universities have opened free courses on a variety of subjects. Such as- Harvard, Stanford, MIT, etc.
• These online lectures consist of not only notes but also videos.
Communication-
• If there is a student who has a missed class. Internet allows instantaneous communication between teachers and one’s classmates.
• People working together on a project or something are able to connect more easily via internet.
Study and Research-
The internet contains information on wide variety of topics one can even think of. You can search and research about anything of your choice. Internet is the largest encyclopaedia consisting large amount of information about each and every topic.