Services Of Internet

SERVICES PROVIDED BY INTERNET

Important services provided by internet are as the following:

1. THE WORLD WIDE WEB

This is also called web or www or 3w. The collection of all web pages in all web sites on Internet is called www. These web pages provide us information in the form of text, pictures, audio and video formats etc.

2. E-MAIL

E-mail stands for electronic mail. It is the most popular, cheap, easy and fastest mailing service. We can send and receive messages on internet with in seconds or minutes.

3. EMAIL DISCUSSION GROUPS

These are used to discuss different topics with other people by email.

4. NEWSGROUPS

Newsgroups are discussion groups on internet. They are used for free exchange of information. A user sends a message to the news group site. Other users read this message from this site and reply. Newsgroups are provided by special computers called news servers.

5. ECOMMERCE

It stands for Electronic Commerce. E-commerce means to carry out business dealings by internet. Examples of Ecommerce include:
Online Banking, Online shopping and online education etc.

6. FTP

FTP stands for file transfer protocol. It is used to transfer files on internet easily and quickly. Audio, video, graphics and data files can be uploaded and downloaded using FTP.

7. TELNET

This program is used to access a remote computer on internet. You can access data and files from connected computer by Telnet. Telnet may also provide you a user interface on screen. You will give commands to remote computer by this user interface.

8. CHAT

It is the most popular services by which two or more users can live chat with each other. We can chat by text or audio or video. Voice chat is just like talking on telephone. Messenger software like Yahoo messenger or MSN messenger is used for chatting.

9. GOPHER

A gopher on the Internet is a system for users to search for files via menus or directory structures. It uses plain English names and is text based only.

Comments

Types Of Headings In HTML

HTML Hedings Headings in HTML are used to display Titles, Sub-Titles of Sub-Sub-Titles for your web page text. There are six types of headings in HTML. H1 is the largest heading and H6 is the smallest heading. <H1> is opening tag whereas </H1> is the closing tag for the largest heading. The text between <h1> and </h1> will be displayed as the main Title in your web page. Following are the six tags used for six types of headings in HTML. <H1> ... </H1> <H2> ... </H2> <H3> ... </H3> <H4> ... </H4> <H5> ... </H5> <H6> ... </H6> The H1 heading is used for main titles. Actually H1 heading will show the text in largest font size. H2 headings is used for Sub-Titles. H2 displays text in smaller font size than H1, H3 displays text of font size smaller than H1 and H2, and so on. H1 is for largest heading in a text page and H6 is for smallest heading. Importance Of Headings in SEO H...

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...

Explain different types of storage devices

Topic: Explain different types of storage devices in Computer systems Storage Devices Storage devices are used to store data and instructions permanently. Storage devices are also called secondary storage devices / backing storage devices / external storage devices or auxiliary storage devices. Examples of storage devices include Hard Disk, CD and DVD etc. Why Secondary Storage Devices are Used? Secondary storage devices are used because: Primary memory(RAM) is volatile and temporary. When computer is switched off, all data in ram is erased. Storage devices can store large amounts of data and instructions permanently whereas Primary memory has less capacity of storing data. Types Of Storage Devices There are three main types of storage devices: Magnetic Tape Magnetic Disk Optical Disk Flash Memory storage devices 1. Magnetic Tape Magnetic tape is the oldest storage device. It is made of plastic coated with m...

Perfect Computer Notes

Search This Blog