38 Computer -- Internet and its Services

What is the internet? List any four services available on the internet.

1 Answers

The largest network formed by connecting computers on LANs, MANs, and WANs of the whole world through the TCP/IP is known as the internet.

It is a publicly accessible network of networks where millions of powerful servers are providing data, files, information, and other facilities to client computers.

Any four services available on the internet are:

WWW
Email, e-fax, and e-governance.
Chat, Video conference, Newsgroup, and telnet.
File transferring.

What is an ISP? List any 3 ISPs of Nepal.

The browsers that provide facility of the internet servicesto the users is called ISP (internet service provider).
Any 3 ISPs of Nepal are:
- Mercantile Office System (MOS)
-World-LINK
-NTC

What are the types of internet access?

The types of internet accesses are:
-Wired access.
- Wireless access.

What is search engine? List any three popular search engine.

The websites which allows the users to search informationbased on a keywords and links the users to thewebsites with the appropriate result is called searchengine.
Any three popular search engines are:
- yahoo.com
- google.com
-msn.com

What is WWW?

WWW is one service provided by internet which provides information about different topics or subjects.

What is website? Name any two websites of Nepal.

A website us the collection of different web-pages thatcontains the information about some particular topics orsubjectsthat can be accessed by specificdomain name.
Any two websites of Nepal are :
- www.askmattrab.com
- www.ntc.com.np

What are the differences between website and web-pages?

The difference between website and web pages are:

Website	Web pages
It is the collection of different web pages with related information, texts, pictures, etc. that unites the different web pages.	It is the different pages of websites with different information, texts, pictures, etc. that collectively form a website.
It is the collection of web pages.	It is the content of website.
For eg. www.mattrab.com	For eg. home page

What is a web browser? Name any three web browsers.

Web browser is a program that displays pages of awebsite on the user's computer sendingthe codes ordownloading the codes of website.
Any three webbrowserare:
-Google chrome
- UCbrowser
- Opera Mini

What is an email? Mention its advantages.

Electronic mail is one of the popular, reliable, convenientand secureway of sending and receiving mails throughthe internet at far distance.
Its advantages are:
-It is fast,easy,reliable and secure.
- It can be used at anytime at any places.
- Also files attachment can be sent.
- The physical presence of recipientis not required.

What is chat ? Mention its advantages.

The services of internet that enables us to send and receive instant messages by using yahoo or msn messenger is called chat.
Its advantages are:
- It enables us to send and receive messages.
- It is easy and cheap means of communication.
- It is reliable and secure.
- It allows both text and voice chatting.

List any four websites that provides e-mail services.

Any four websites that provides e-mail services are:
- yahoo.com
-altavista.com
- google.com
-msn.com

What is meant by video conference?

The most advanced services of internet that enables virtualface to face communication among peoplesitting atdifferent location is called video conference.

What is meant by e-commerce? List any three e-commerce sites.

The websites which provides facilities to the users forpurchasingand selling goods through internet is callede-commerce site.
Any three ecommerce sites are:
-www.hamrobozar.com
-www.amazon.com
-www.kinmel.com.np

What is intranet? Mention any four features of it.

The private computer network owned by a company oran organization and accessible only to its employees is calledintranet.
Any four features of it are:
- It runs onprivate networks within a network.
- It is closely related to internet.
- It serves as a powerful tools for communication within anorganization.
- It helps the employees to quickly find and view theinformations.

What is the task of HTTP?

The task of HTTP are:
-It helps to communicate between web client and web severs.
- Itmovestherequest made by web browsers to webservers and respond the request.

What is the task of FTP?

The task of FTP are:
- It helps to transfer files through FTD.
- It helps to download hugeamount of data fastly.
-It helps to request file from client computers.
- It helps to provide files to client from server.

What are the facilities you get from the internet?

We can get following facilities fromtheinternet:
- WWW
- E-mail, chat, video conference, telnet.
- E-fax, file transferring.

What are the differences between:a. E-mail and E-fax.b. Internet and Intranet.c. Chat and E-mail.

a. E-mail and E-fax.

E-mail	E-fax
It is fast, easy and secure way of sending and receiving messages.	It is fast, easy and secure way of sending and receiving faxes.
The receivers gets softcopy text document.	The receiver gets hardcopy text document.

b. Internet and Intranet.

Internet	Intranet
It is huge network connecting LANs, WANs, MANs of the whole world through TCP/IP.	It is a private computer network owned by a company or an organization for their needs only.
It...

Write the full-form of the following:

WWW: World Wide Web
URL: Uniform Resource Locator
ISP: Internet Service Provider
FTP: File Transfer Protocol
E-mail: Electronic mail
ISDN: Integrated Service Digital Network
VOIP: Voice Over Internet Protocol
Telnet: Telephone Network
IRC: Internet Relay Chat
PSTN: Public switched Telephone Network

Write the technical terms of the following:

a. Selling or buying goods on the internet.
- E-commerce

b. A private internet.
- Intranet

c. A service of internet that allows the user to post question for discussion.
- Newsgroup

d. A service of internet that allows a user to connect a remote computer.
- Telnet

e. Internet service that helps us to send and receive instant messages.
- Chat

f. A company that provides internet facilities.
- ISP

What is telnet? Give some examples of it.

Telnet is a service of internet that allows a user to gain remote access to computer a interact with it.

Some of the examples are listed below:
a) TeamViewer
b) AnyDesk

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