Q1 . what are web browsers?

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SOLUTION

These are software applications that help in retrieving and dispalying data from the internet or Webpages from the internet.We have to use a URL(Uniform resource locator) to open a website and each resource on the web is identified by URI(Uniform res

Q2 . what is the use of HTML?

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SOLUTION

HTML(Hypertext Markup language) is used to represent or display the data on the world wide web or simply internet.HTML has inbuilt tags that can be used to represent the data like etc.;

Q3 . What is the use of XML?

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It stands for Extensive Markup Language.It does not have predefined tags instead it has custom tags.The major purpose of XML is to transmit data across the internet.

Q4 . what is JSON?

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SOLUTION

JSON stands for JavaScript Object Notation.It is one way of transmitting data across the internet between two sytems.

Q5 . What is PHP?

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SOLUTION

It stands for Hypertext Preprocessor.It is an opensource server side scripting language.It is widely used with MySQL which is also an opensource database.

Q6 . What is REST protocol?

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It stands for Representational State Transfer.It helps in accessing and manipulating the data across the world wide web.It can use the HTTP operation of GET,POST,DELETE and PUT.

Q7 . what are cookies?

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SOLUTION

They are small amounts of data stored by the website in your computer to keep track of session data or user preferneces which may be of great use when the website is revisited by us.

Q8 . what are search engines?

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SOLUTION

It is a software used to search for content across world wide web or the internet.The result found as a part of the search are present in SERP(Search Engine Result pages).

Q9 . what are search trees?

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SOLUTION

They are data structures. In a tree format in which the values on the left side of the tree are lesser in value than the root node and the ones in the right side are greater in value than the root node.

Q10 . what are DNS systems?

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SOLUTION

DNS stands for domain name systems that are used to map domain names to IP addresses.;For example when we type WWW.abc.com there is an IP address associated with it and that is what the DNS helps connect or establish.

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