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Q2. Give short answers to the following questions.
i. Differentiate between website and Web server.
Ans: Website:
A website is a collection of related Web pages hosted on a Web server It is.
accessible through an Internet address known as Uniform Resource Locator (URL)
A URL is what the user types in Web browser such as Internet Explorer to display a
ebsite. A website for air ticket reservation is shown in Fig. A
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Web Server:
A Web server ts a computer that makes Web pages available through
the Internet as shown in Fig. Web servers are used to host websites, data
Storage and also for running applications. Web servers deliver HTML
documents when an Internet user types a URL of a website in the browser
Any computer can be turned into a Web server by installing server
software and connecting the computer to the Internet
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Web Server on the Internet
Pc & ii Describe how a search engine is used for searching information on
the Internet.
Ans: Search Engine:
A search engine is a website or w tiv
informatien on the World Wide Webs
Use of Search Engine:
Findirg exactly what the user is looking ‘
Pages on the Web Therefore. search engines have ben ae:
find specific information on the Web.
Users type in one or more keywords in a search engine. The search engine
will look for matching websites from all over the Web. User will see the total number
of matches found and then the first ten sites that most closely match the keywords
The information shown for each website includes a title and a brief description
To display the next ten sites, the user clicks a button labeled Next Results,
Next Page or a similar button at the bottom of the page. If the user wants to open
any site. he just clicks on the hyperlink
Most popular search engines are Yahoo! and Google. Finding information
using a search engine is shown in Fig
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Finding information using a search engine i Define URL and Web hosting.
Ans: Uniform Resource Locator (URL):
Uniform Resource Locator (URL) is an Internet address that identifies @
website
Web Hosting:
Wet Hosting 's a service that uploads @ website on a Web server and makes
it available for computer users
iv. Describe HTML.
Ans: Introduction to HTML:
HTML is a mark-up language used to create Web pages A browser such as
Internet Explorer or Google Chrome is used to read HTML document and display it
on the screen as Web pages
Hypertext Mark-Up Language:
HTML stands for Hypertext Mark-up Language. It is called mark-up language
because it uses mark-up tags that tell the Web browser how to display the Web
page It is the language of Internet's World Wide Web. Websites and Web pages
are written in HTML.
It is used to create hypertext documents that bring together text, pictures,
sounds. video clips and links all in one place. HTML files are plain text files, so they
can be created using a simple editor such as Notepad or Wordpad.
EXTENSIVE QUESTIONS
Q3. Describe any four types of websites.
Ans: Types of Websites:
There are a large variety of websites on the Web, each providing a particular
type of service
i. Web Portals:
Web portal is a website that offers a large variety of services. These include
online shopping malls. news, stock prices, e-mail, search engines. etc Web portals
function as a point of access to information on the Web
For example. a school Web portal delivers information about the school's
historical background, admission requirement, schoo! curriculum, tuition fees
structure, school news, student results, etc.. in a unified way Web portal of National
University of Sciences & Technology (NUST) is shown in Fig NUST oF ScENcES8
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Web portal of National University of Sciences and Technology
ji, News Websites:
News websites provide information about current events and opinions
These sites publish news stories and let their visitors’ voice be heard. These sites
provide their visitors a way to get their thoughts and views published. Very often at
the end of news stories, visitors are asked to share their experience or knowledge
about the topic. Therefore, a link for the readers comment is provided for feedback
Examples:
Some examples of news websites are www.paktribune.com
www.dailytimes.com, www.thenews.com.pk, www.pakobserver.net and
www.nation.com.pk. The News website is shown in Fig z
The News website
Informational Websites:
Informational websites provide information on any topic in the form of text,
graphics, sound and videos For example. www.wikipedia.org is an informational
website that provides information on thousands of articles It allows users to
contribute and edit articles as well. As another example. www.ask.com is another
informational website that provides information on a large variety of topics including
arts and humanities, automotive, animals, business. computer and literature, beauty
and personal care. health, real estate, education, etc. This website is shown in Fig iv. _ Educational Websites:
Educational websites are created for educational purpose These sites
contain animation. slide presentations and tutorials to educate people on various
topics. Information is presented in a very well organized way The purpose of any.
educational website is to impart knowledge to people who are looking for better
understanding of a topic and pursue knowledge
Some examples of Pakistan’ educational websites are
www.ilmkidunya.com. www.pknotes.com, www.knowledgepk.com and
www.sabaq.pk
The home page of educational website www.knowledgepk.comis shown in Fig
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The www. knowledgepk com website
Q4. Write the HTML tags for the following?
i) Paragraph Center text
ii) Heading Strike out
iii) Bold viii) Superscript
iv) Underline ix) Subscript
v) Italic x) _ Font size, color and typeface
xi) Inserting Line Breaks xii) _Inserting Spaces
Ans: i) Paragraph:
The tags are used to define paragraph HTML automatically adds
an extra blank line before and after a paragraph
i Heading:
There are six heading tags, to The tags
are used to specify the largest heading and tags specify the smallest The HTML document in Fig.. demonstrates how to use the above mentioned
tags in a Web page i)
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