Showing posts with label Class Notes: Web Technology. Show all posts
Showing posts with label Class Notes: Web Technology. Show all posts

Explain the Importance of XML in Web Applications.

XML (Extensible Markup Language):

Extensible Markup Language or XML is a structure, tag-based language which is primarily user for transferring data. Information in XML are both human and machine readable. Tags and attributes, as in HTML is also used in XML but in a slightly stricter way than HTML. Beside that, user or developer can create his/her own tags in XML which can not be done HTML, and that is why it is called EXTENSIBLE.

Extensible Markup Language is quite similar to what HTML (Hypertext Markup Language). Both of these are used web technology. However, HTML is primarily used for displaying data or information and XML is used for carrying data or information from machine to machine, machine to human and human to human. However, XML can also be used for displaying data.


Explain Different Types of Cascading Style Sheet (CSS) With Suitable Examples

Cascading Style Sheet (CSS):

CSS is used with HTML to define styles for different HTML elements or set of HTML elements. As its name includes, a primary thing about CSS is that it cascades. Developer can define one style for all the elements and then override that style for a one or specific element. For example, initially it can be defined that all links in a page will be of red color, and then we can also define that links with a specific class will be of a different color. In this way, using CSS we gain more control over styling elements and latest version of CSS also supports basic animation with CSS.

What are the various types of video formats?

Following are various types video file formats with minimal amount of description.

What are the various types of Audio formats.

Following are various types of Audio Formats with Minimal Descriptions.

What are various types of picture formats.


Graphics file formats are mainly differ as raster formats and vector graphics. Below, some of the raster formats have been described.

Why we need own website Or What is the necessity of personal websites?

There are probably as many reasons for wanting to publish a site on the web. Below, some types of web sites and their purposes have been given.



Why we need Search Engines Or Search Engine vs Web Directories.

Necessity of having search engines : The main advantage of Web directories is that the categorize of web sites are creation of humans and human can go through human’s choice. When in a web directory to find something, one may have to click a lot. That’s why; it takes longer time to find necessary information. Web directories are great for browsing when user doesn’t know the exact term of the information we are looking for.

What is web directories? Describe.

Web directories

A web directory or link directory is a directory on the World Wide Web. It specializes in linking to other web sites and categorizing those links. Thus, in web directory, web sites are categorized by subject.

Suggested Reading:
  1. What is URL? What are the types of URL? Describe them.
  2. What are the various types of linking or anchor tags?

What is URL? What are the types of URL? Describe them.

URL (Uniform Resource Locator): 

URL stands for Uniform Resource Locator, which is simply an address of a document on the web, more accurately, on the internet. Although a URL can look complex and long, it’s made up of four basic parts – protocols, host names, folder names and file name – each of which has a specific function. Depending on the application, a URL can include additional information, to specify user names or input to a server-side script, but fundamentally these four parts cover the basics.

Suggested Reading:
  1. What are the various types of linking or anchor tags?
  2. What is web directories? Describe.

What are the various types of linking or anchor tags?

Types of Linking or Construction of Link Anchors

Link anchors are the glue that holds the web together. Link can be made to documents in the same folder, in different folder and on the web. They are described below.

Suggested Reading:
  1. What is URL? What are the types of URL? Describe them.
  2. What is web directories? Describe.

What is link or linking? Describe the process of linking documents in HTML.

Linking or Links : Links are the ‘hyper’ part of the hypertext – that is the part user uses to jump from one HTML page to another. Links, also called anchors, mark text or images as elements that points to other HTML documents, images, applets, multimedia effects or specific places within a HTML document. Links differentiate HTML documents from other electronic documents.

Write about HTML.

HTML : HTML is the short form of Hypertext Markup Language. HTML is normally used to create documents for the World Wide Web. When producing web pages, it allows using hypertext that can link a word or image to another page or web location. Using this language one can put audio-video clips, graphics etc in one’s documents. HTML is a special series of codes. 

What are the rules to create a domain name or write a guideline for selecting domain name.

Domain name selection guidelines:


Domain name should have to be easy to remember, such as names that reflect the name of the organization. Example : The domain of T&T Firm may be like, tandtfirm.com
What are the rules to create a domain name or write a guideline for selecting domain name.
Single letter domain names are not permitted. Example : x.com will not be a domain name.

Each top level domain name is reserved for a specific purpose. Such as, .com is for commercial purpose, .org for non-profitable organizations etc.

Write down the steps to create a web site.

Creating a web site:

Creating a web site consists several steps. But the most common and important steps to be followed can be shown by the following flowchart.

Write down the steps to create a web site.

Define Domain name with example. Write down the name of the top level domains with their purposes.

Domain name: Computers on the net has unique IP addresses. These addresses contain numbers which are very difficult to remember for us. That’s why, to make it easy to remember they are replaced by alias which are called domain name. These domain names are also unique for each computer. Example : funny.comedian-action.com

What is Internet and IP address?

Internet : Internet is International Wide Area Network or International Network. In other words, internet is a network of networks that connects the computers of all over the world. It provides files and data transfer together with electronic mail functions for millions of users around the world. Anyone can use the internet.

What is Hypertext?

Hypertext: Hypertext is used to develop hyperlink. A hyperlink is a special string or phrases in a web page that point to another web page. That is, when we click on or select a hyperlink which may be a text or an image, we will be transported immediately to the page that is linked by the hyperlink. Web pages are often known as hypertext documents.

Why search engine was created? Describe a search engine with its working procedure.

Search engine: A search engine is a software that carries out a search of a database when user asked it to do so. Back in the old days, internet was primarily a research medium. Files were stored separately, with no way to go from one file to another easily. In 1991, Tim Berner’s Lee developed a network of files with hypertext links. 

What is a web site?

Web site: A web site is a collection of web pages. There are various links on various topics & issues. On clicking them, user can move to the linked & related web pages. A web site can be accessed by a web browser. A web site can also contain downloadable audio-video, software, games, online games and many more. Example : www.yahoo.comwww.google.com etc.

What is a web page? Classify web page and give definitions.

Web page: A web page is a single file stored on the server that may contain text, graphics, audio-video and hyperlinks to the other pages on the internet or within a web site. Web pages are written using HTML (Hypertext Markup Language). There are two types of web pages; they are given below.