About html, css, javascript, domain, sql, php and web hosting

Q.1 what is domain? a. Every site need an introduction for which they required a particular name which can able to create an identity for a particular site. this particular name of site is called as DOMAIN. Q.2 What is domain registration? a.Every site name is unique. For choosing the name for a site you have first to check whether the name is available or not. If the name is not available it means that it has been already take over by any other user. If the name is available then you can take it as the name for your site and get registered for upto 1 to 20 years. Once you have registered the name you had got the whole ownership of that name. For any site initialization the registration of domain name is first important. Q.3 What is Html ? a. HTML stands for hypertext markup language. It is used for making simple text document on notepad. It was created by scientist Tim Berners-lee in 1990. It is also a hidden code. Q.4 What is sql ? a. Stands for structured query language. It is a wide database system used to store, update, retrieve a.d manipulate data. Q.5 What is Website Hosting ? a.The method used to be web pages is known as web hosting. it is a method to be visible on web pages for our customers.