Class 10 Computer Science Note



The Internet can be described as an interconnection of several thousands of computers of different types belonging to various networks all over the world.



E-mail is a message distributed by electronic means from one computer user to or more recipients via a network. It is the services of internet in which messages are sent from and received by the servers. E-mail has several advantages over conventional postal services.


Web Chat

Web chat is a program that enables you to communicate with others in real-time through messages. The user can log on to certain websites and communicate with various other users online by using Internet chat software. Chat software is interactive software that allows user to type comment in one window and receive replies in another from someone who is accessing the same software.


World Wide Web

World Wide Web is the leading information exchange service of the Internet. It gives users access to a vast array of documents that are connected to each other by the help of hypertext or hyperlink.



E-commerce is the commercial transactions conducted electrically on the Internet. It refers to a wide range of online business activities for products and services.


Internet telephony

Internet telephony can be defined as the technology that converts analog speech signals into digital signals and routes them through packet-switched networks of internet.


Video conferencing

Video conferencing means making communication between the users using sounds as well as pictures.

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