Ans. WWW is a collection of millions of sites on which information is distributed globally on thousands of web servers. Using WWW, a user can download files, listen to sounds, view video files and jump to other documents sites by using hypertext links.
Q2. How is web page accessed by a web browser?
Ans. When a web address is typed in a web browser, it sends a request to the web server. The web server receives the request , processes it and then it returns the HTML code for that page to the client. The browser then interprets the HTML code of the requested page sent by the web server and displays the web page.
Q3. What is HTML? What is Hypertext links?
Ans. HTML or Hyper Text Markup Language is the language of the World Wide Web. It is the Standard text formatting language used for creating and displaying pages on the web. Any HTML page begins with <html>, <head>, <title> and ends with <title>, </head>, </html> tags.
A hypertext link is a special tag that links one page to another page or resource. With a click on the link, the browser jumps to the link's destination.
Q4. What is the difference between container and empty element in HTML?
Ans. Container elements are the paired tags which are used in pair. One tag of the pair marks the beginning and the other marks the end of the tag. They affect the text appearing between the pair tags.
<html>, <body> are the examples of container elements.
Empty elements are singular tags that have no ending tags . They are used standalone. They just carry out the job assigned to them.
<br>, <hr> are the examples of empty elements.
Q5. How to Specify page breaks in HTML?
Ans. There is no way in HTML to specify where page breaks will occur when printing a page. HTML was designed to be a device independent structural definition language, and page breaks depend on things like the fonts and paper size that the person viewing the page is using.
Q6. What is the role of <html>.....</html> tag in HTML?
Ans. These are the tags written for page display. These are the first and the last tags in an HTML document. these tags tell a web browser where the HTML in the document begins and ends it is the most basic of all web documents.
Q7. What does <body> tag in HTML contain?
Ans. The <body> tag contains the contents of the document including background color, text color, link color and page margins. Also various mark up elements are allowed within the body to indicate headings, paragraphs, lists, hypertext links, images and so on.
Q8. What is the method of using comment line in HTML code? How is the comment line useful?
Ans. Comments are specified in <!...........> tags of HTML.Anything written these tags will not appear in the output. It is not compiled by the browser.
For example : <!This line is a comment line>
Comments are the text written for user understanding comments are inserted in the HTML code to make it more reliable and understandable.
Q9. How to create a form in HTML?
Ans.In HTML, Forms are set between the <form> container tags. The Form container has the following format :
<form method="how to send" action="url">
........................Form Data..........................
</form>
Form tag takes two attributes :
Method and Action
The method attribute
The Method attribute tells the browser how to send the user's data to the server. It takes either POST or GET as its value. POST is more popular, as it allows for a greater amount of data to be sent. GET is used with single responses, like a single text box.
The second attribute is ACTION which simply accepts the URL which specifies the location of the form handler to which the data in the form of will be sent.
Q10. Why is linking between web pages required?
Ans. Linking between web pages is required because while creating websites different pages are designed with different HTML files. These files contain different modules and can not open individually. To link between them, the website becomes more productive and informative.
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