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Showing posts from December, 2011

Create Your First Web Page in HTML

Today, we will discuss the topic Create Your First  Web Page in HTML. As we know a website is a set interlinked related web pages. Therefore, to design and develop a website, we need to know creating web pages. HTML stands for Hyper Text Markup Language . HTML is the basic language used to create web pages. Let's start our tutorial with suitable pictures Create Your First  Web Page in HTML. Now we will create a simple web page to display some text like "Welcome to Web Page Development!" and with a title "My First Web Page". 1. Type HTML Code in Note Pad Open Note pad and type the following HTML code. <HTML> <HEAD> <TITLE>My First Web Page</TITLE>       </HEAD> <BODY> Welcome To Web Page Development! </BODY> </HTML> Picture: Create Your First  Web Page in HTML in 5 minutes Picture: Create Your First  Web Page in HTML Easily 2. Save HTML Document with...

Basic Structure of HTML Document

Basic Structure of HTML Document  The basic structure of an HTML document is given below: <HTML>         <HEAD>                  </HEAD>                 <BODY>                </BODY> </HTML> The above format shows that an HTML document starts with <HTML> tag and ends with </HTML> tag. It is also clear that an HTML document consists of two main sections:  Head Section Head section is used to specify a title of the web page, normally. There are some other uses of Head section too, like linking external style sheets and Java script code, etc. Head section starts with the <HEAD> tag and ends with the </HEAD> tag. <TITLE> tag is used to display a title of...

How To Create a Web Page In HTML

If you want to create a web page using HTML - Hyper Text Markup Language, you will need the following two software: Text Editor : It is used to write HTML tags according to the requirements of the web page. Windows Notepad is a suitable candidate for this purpose. You have to save the HTML document with html or htm extension. For example, type the name of your web page document as "first.html". Web Browser : Web Browser is a software used to view web pages. Examples of a web browser are Internet Explorer, Mozilla Firefox and Google Chrome. Microsoft Windows users can view and test their web pages, in Internet Explorer.  I will discuss the Basic Structure of an HTML Document, in my next post.

Introduction To HTML

HTML stands for Hypertext Markup Language. Hypertext refers to the text with Links. These links may point to sections of the same web page or any other web page within or outside the website. HTML Definition HTML is a language used to create and format web pages. HTML is used to define the structure and format of a web page. HTML will place and format the contents like text, pictures, audio or video data in your web pages. Moreover,you can use Links to connect the related web pages in the form of a website.  Who Invented HTML? HTML was developed by Tim Berners Lee in 1989. TAGS and Elements HTML uses commands called TAGS to create and format different elements and contents of a web page. HTML tags are enclosed within angle brackets <>. For example <b> tag is used to format some text as bold text. Normally, tags work in pairs as shown in the example below. <b> This is bold text. </b> The output of the above HTML command or tag will be as show nex...

Advantages and Disadvantages of Mesh Topology

Topic: Advantages and Disadvantages of Mesh Topology Mesh Topology In a mesh topology, every device on the network is physically connected to every other device on the network. Therefore, data can be sent on several possible paths from source computer to destination computer. Mesh topology is more reliable with better performance. Mesh Network Topology is mostly used in wide area networks where reliability is important. Advantages of Mesh Network Topology 1. Since, there are many links to transfer data, Mesh topology gets rid of the traffic problem . Data may be transferred through different links. 2. If one link becomes unusable, it does not disturb the whole system . Other links can be used for communication. 3. Since each node has physical connection with other nodes, therefore, one node can transfer data to many nodes at the same time. Disadvantages of Mesh Network Topology 1. It is very expensive due to implementation of multiple links for each no...

Advantages and Disadvantages of Tree Topology

Tree Topology Actually, a Tree topology is the combination of two topologies: bus topology   and star topology . A tree topology combines the characteristics of bus and star topologies. It consists of groups of computer connected as star topology. These groups are then connected to a central communication medium (bus cable). Advantages and Disadvantages of Tree Network Topology Advantages of Tree Network Topology 1. Many software and hardware vendors support tree topology . 2. It provides point-to-point wiring for individual groups. Disadvantages of Tree Network Topology 1. If the main backbone line breaks, the entire tree network goes down . 2. A tree network is more difficult to configure and maintain. 3. If any hub fails, related segment will be removed from the network. Read  More on Networking and Networks 1 Explain Advantages Of Networks 2 Types Of Computer Networks...

Advantages and Disadvantages of Ring Network Topology

Topic: Advantages and Disadvantages of Ring Network Topology alongwith detailed working of Ring topology What Do You Mean by Ring Topology? In Ring topology, each computer is connected to the next computer such that last computer is connected to the first. Every computer is connected to next computer in the ring. Each computer retransmits what it receives from the previous computer. Suppose, computer A needs to send data to computer D. Now the computer A sends data to computer B. As computer B is not the destination computer, so it will retransmit data to computer C. Finally, Computer C will transfer data to computer D, the destination computer. When a node sends a message, the message is processed by each computer in the ring. If a computer is not the destination node, it will pass the message to the next node, until the message arrives at its destination. Advantages of Ring Network Topology 1. It is relatively less expensive than a star topology network. 2. In a...

Explain Star Network Topology With Advantages and Disadvantages

Topic: Explain the Working Star Network Topology With Advantages and Disadvantages Star Topology Star Topology is the most popular and widely used network topology in local area networks . In star topology , all computers are connected with a central device known as HUB or Switch. Now-a-days Hubs are often replaced by Fast Network Switches. The working of Star Topology The sender computer sends data to the hub. The hub sends it to the destination computer. So, all data communication is managed through HUB or Switch. In a star network, each node (file server, workstations, and peripherals) is connected to a central device called a hub.  The hub takes a signal that comes from any node and passes it along to all the other nodes in the network. The star topology reduces the chance of network failure by connecting all of the systems to a central node. What is Star topology?  Advantages and Disadvantages of star topology Note: The major difference between ...

Bus Topology Advantages Disadvantages

Bus Topology Bus topology is the simplest network topology . In bus topology , all computers in network are connected to a common communication wire. This wire is called BUS. Terminators are used at both ends of wire. Bus Topology is Cheap, easy to handle and implement. Bus Topology require less cable. Bus Topology is best suited for small networks. Working of Bus Topology with Advantages and Disadvantages Advantages of Bus Network Topology 1. It is very simple topology . 2. It is easy to use. 3. It needs small amount of wire for connecting computers. 4. It is less expensive due to small wire needed. 5. If one computer fails, it does not disturb the other computers in network. Other computers will continue to share information and other resources with other connected computers. Disadvantages of Bus Network Topology 1. Only small number of computers can be connected in a bus network . 2. Network speed slows down as the number of computer increases in b...

Types Of Network Topology

Today, we will types of network topology . What is a Network Topology? Definition of Network topology is the shape of the network . It is the physical layout of connected devices in a network. It tells us how a network will look like. Network Topology ( Definition 2) : The way in which the connections are made among all the network entities is called the topology of the network. Network Topology ( Definition 3) :Network topology specifically refers to the physical layout of the network, e.g., the location of the computers and how the cable is run between them. Network Topology ( Definition 4) :The physical topology of a network refers to the configuration of cables, computers, and other peripherals. The characteristics of a network depend upon the network topology selected. types of network topology Explain different types of network Topology Different network topologies are as follows: 1. Bus Topology 2. Ring Topology 3. Star Topology 4. Tree Topolo...