Essay - 3

What is a good website ?

When you plan your web page you start by writing everything down on paper. Write what you want your web page to say, show, and do. To make a map of the links you will be using, write a circle in the center of a new sheet of paper and write HOME in it. Then draw lines to other circles that say the names of your sub pages. Later you will learn how to link your home page to your sub pages.

First we want to have a simple text program to use. Go to START programs Accessories NOTEPAD. Notepad is the only program I found to work for html. After you are in notepad type the following.
 this will start an html document :
     - starts the header
     - title that you see at top left corner on screen
     - ends title
     - ends header
     - starts the body ( the guts )
     - ends the body
     - ends html document ( IMPORTANT )

To enter text into your web page, all you need to do is type what you want any where in between the two tags. Save and refresh. And you can see what you typed.  To center text ( and pictures ) all you need to do is type before the text you want centered and after.

To change the size of the letters type before and after text you want bigger or smaller. Note: 4 can be changed to 1, 2, 3, 4, 5, or 6. Only 1-6 will work.   Effect BEFORE text AFTER text BOLD,  ITALIC, SLASH

To color text just type before the text you want a different color and after. Note: green can be replaced by the color you want the text to be.

Essay - 2

What is a network ?         (Word - 274)

Networking is a vital factor for the successful working of information systems. There are various networking systems, i.e., Television networks. Railway networks, Post and Telegraph networks and Computer networks. But the contributions of computer networking are significant. In a computer networking, computers are connected with one another for sharing programs, data's, documents etc. or in short information's.

Computer network systems are mainly two types. :

·         The Local Area Network (LAN) for smart  distance with a high data transfer rate.

·         The Wide Area Network (WAN) for greater  physical distance with a low transfer rate.

The LAN system in a PC can work within a short distance, i.e., with the same floor in a building or in different floors of the same building through cable networking. LANs consist of workstations that are connected to a control computer called FILE SERVER (special purpose computer).The file server is.

LANs network topologies are of three types i.e., a. star, b. ring and c. bus. Network technology is the method by which various terminals/stations are connected with each other. LAN can be connected to larger networks including mainframe computers. This gives the users of LANs access to enormous computing power and excellent communication facilities. Computerization in banking system is the best example of LAN network.

When computer system connections cover a long distance or larger geographical area like intercity, intercity or countries to share information's, the configuration is called Wide Area Network (WAN). This is basically are extensions of LAN through telephone links and satellite connections. A Router (special purpose computer) and software’s are required to establish the link.