CLASS - 6// SUBJECT - COMPUTER//LESSON – 6 //INTERNET//

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LESSON – 6

INTERNET

 

1.      Describe the term video conferencing.

It is very common practice to speak over the phone and mobiles. In video conferencing, there can be two or more people talking to you at once. Video conferencing has proven to be a very successful way to communicate. Even the deaf and the hearing-impaired people can now communicate with each other using sign language on video conference.

 

2.      What do you mean by the term internet?

The internet is a massive network of networks, a networking infrastructure. It connects millions of computer together globally, forming a network in which any computer can communicate with any other computer as long as both are connected to the internet.

 

3.      Define the term URL,

A URL is the address of a webpage or any other resource on the World Wide Web. A URL is made up of three parts:

a.      The first part of the address is the protocol being used.

b.      Name of the server which has the resource

c.      The complete path of the file on the server.

 

4.      What is social networking service?

Social networking service is a platform where people with common interests or activities can connect with one another. We can share our views, ideas, thoughts, images, videos, pictures over this platform. We can create groups with people of same interest.

 

5.      Write three netiquettes to be followed during online communication

a.      Signature in an e-mail should be small and simple

b.      Avoid spamming

c.      Write the matter of e-mail in exact accordance with the subject of the e-mail.

 

6.      What is the importance of emoticons?

The emergence of emoticons came into being after acknowledging the fact that no facial expressions were seen while communicating. Therefore, emoticons were founded. They help in telling your mood to others as well as save typing time.

 

7.      Explain the types of computer networks in details.

The following are the types of networks based on the geographical areas covered.

a.      Local Area Network (LAN): a LAN is a computer network that is limited to a local area such as a laboratory, a school or an office building

b.      Personal Area Network (PAN): a PAN is a computer network organized around a person. It is used for communication between devices such as phones, personal digital assistants, printers, etc that lie in close proximity.

c.      Metropolitan Area Network (MAN): a MAN is a computer network that usually covers a larger area than a LAN.

d.      Wide Area Network (WAN): a WAN is a computer network that spans a wide geographical area. A WAN may be spread across cities, countries or continents. It is formed by connecting various LANs and MANs. The internet is considered to be the largest WAN.

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