Internet and its Services

                         Internet and its Services

 

A Short answer questions:
1. What is ISP? List any two popular ISPs of Nepal.
- An ISP (Internet Service Provider) is a company that provides individuals and organizations access to the Internet.
- Two popular ISPs of Nepal are WorldLink and Vianet.

2. What is WWW? List any two popular websites of Nepal.
- WWW (World Wide Web) is a system of interlinked hypertext documents accessed via the Internet.
- Two popular websites of Nepal are Ekantipur.com and OnlineKhabar.com.

3. What is a web browser? List any four web browsers.
- A web browser is a software application used to access and view websites.
- Four web browsers are Google Chrome, Mozilla Firefox, Microsoft Edge, and Safari.

4. What is a search engine? List any four search engines.
- A search engine is a web-based tool that enables users to locate information on the Internet.
- Four search engines are Google, Bing, Yahoo, and DuckDuckGo.

B. Long answer questions:
1. What is the Internet? Write its advantages and disadvantages.
- The Internet is a global network of interconnected computers that allows users to share information and communicate with each other.
- Advantages:
1. Access to Information: Provides vast amounts of information on almost any topic.
2. Communication: Enables instant communication through email, chat, and social media.
3. E-commerce: Facilitates buying and selling of goods and services online.
4. Entertainment: Offers various forms of entertainment like streaming videos, online games, and music.
- Disadvantages:
1. Privacy Issues: Personal information can be vulnerable to hackers.
2. Misinformation: Easy to spread false information and rumors.
3. Addiction: Can lead to excessive use, impacting daily life and productivity.
4. Security Threats: Risks such as viruses, malware, and cyber-attacks.

2. Explain any four services of the Internet
1. Email: Allows users to send and receive messages electronically.
2. World Wide Web: Access to websites and web pages containing information, multimedia, and other resources.
3. File Transfer Protocol (FTP): Used for transferring files between computers on a network.
4. Social Networking: Platforms like Facebook, Twitter, and Instagram enable users to connect and share content.

3. What is an email? List any four advantages and disadvantages of it.
- Email (electronic mail) is a method of exchanging digital messages over the Internet.
- Advantages:
1. Fast Communication: Instant delivery of messages worldwide.
2. Cost-Effective: Minimal cost compared to traditional mail.
3. Convenience: Can be accessed from anywhere with an Internet connection.
4. Record Keeping: Easy to store and organize messages.
- Disadvantages:
1. Spam: Unwanted and unsolicited emails can clutter inboxes.
2. Security Risks: Susceptible to hacking and phishing attacks.
3. Miscommunication: Tone and intent can be misunderstood without non-verbal cues.
4. Overreliance: Can lead to neglect of other communication methods.

C. Write short notes on:
1. Telnet:
- Telnet is a network protocol used to provide a command-line interface for communication with a remote device or server.
2. E-fax:
- E-fax is an electronic service that allows users to send and receive faxes via email or the Internet instead of traditional fax machines.
3. IRC:
- Internet Relay Chat (IRC) is a protocol for real-time text communication between users on the Internet in channels.
4. Video Conference:
- Video conferencing is a technology that allows users in different locations to hold face-to-face meetings without being in the same place.
5. Internet Telephony:
- Internet telephony, or VoIP (Voice over Internet Protocol), is a technology that allows voice communication and multimedia sessions over the Internet.
6. E-commerce:
- E-commerce (electronic commerce) is the buying and selling of goods and services over the Internet.
7. Newsgroup:
- Newsgroups are online discussion forums where people can post messages and engage in conversations about specific topics.

D. Write the technical terms for the following:
1. A network of networks:

= Internet
2. A company that provides the Internet facilities:

= ISP (Internet Service Provider)
3. A service of the Internet that provides information on various topics or subjects:

= World Wide Web (WWW)
4. An identifier of a website:

= URL (Uniform Resource Locator)
5. A program that displays the contents of web pages on a client computer:

= Web Browser
6. A website that searches for information on the web based on a keyword:

= Search Engine
7. Internet service that helps us to send and receive instant messages:

= Instant Messaging
8. A service of the Internet that allows a user to access a remote computer:

= Telnet
9. Virtual face-to-face communication facility of the Internet:

= Video Conferencing
10. Online messaging service of the Internet:

= Chat
11. Buying or selling goods on the Internet:

= E-commerce
12. A service of the Internet that makes real-time telephone communication:

= VoIP (Voice over Internet Protocol)
13. The Internet service that allows people to post or read messages on a forum:

= Newsgroup
14. A service of the Internet that allows a user to post questions for discussion:

= Discussion Forum
15. A private Internet:

= Intranet

E. Write the full form of the following
1. ADSL: Asymmetric Digital Subscriber Line
2. ISDN: Integrated Services Digital Network
3. ISP: Internet Service Provider
4. W3C: World Wide Web Consortium
5. ARPA: Advanced Research Projects Agency
6. DARPANET: Defense Advanced Research Projects Agency Network
7. URL: Uniform Resource Locator
8. E-mail: Electronic Mail
9. Telnet: Telecommunications Network
10. IRC: Internet Relay Chat
11. E-fax: Electronic Fax
12. VOIP: Voice over Internet Protocol
13. PSTN: Public Switched Telephone Network

F. State whether the following statements are True or False.
1. ARPANET was the first computer network: True
2. WWW provides Internet facilities: False (WWW is a service on the Internet, not the provider of Internet facilities)
3. Web servers are stored in web sites: False (Web servers host websites)
4. A unique address of the website is known as Universal Resource Locator: False (Correct term is Uniform Resource Locator)
5. A search engine allows you to search websites on the net as specified: True
6. People can send or receive email through the Internet: True
7. You can send only text messages through the chat: False (You can send images, videos, and files as well)
8. The Internet provides the facility for posting messages on various subjects on the newsgroup: True
9. The Internet user can only buy goods through the Internet: False (Users can also sell goods, access information, communicate, etc.)

G. Choose the correct answer:
1. Which one is not the service of the Internet?
a) Electronic Fax
b) Chatting
c) Sharing hardware
d) Electronic mail

2. Which is the web browser?
a) Windows Explorer
b) Mozilla Firefox
c) Face book
d) Msn

3. Which is not the search engine?
a) Yahoo.com
b) Google.com
c) Bing.com
d) Ebay.com

4. Which protocol gets the email from the mail box to the user's computer?
a) SMTP
b) POP
c) FTP
d) HTTP

5. A web based e-mail service provider is
a) gmail.com
b) yahoo.com
c) Hotmail.com
d) All of them

6. In an email address: abc@yahoo.com, what does 'yahoo' refer?
a) User account name
b) Domain name
c) Top level domain name
d) None of above.

7. Which is e-commerce site?
a) hamrobazar.com
b) e-bay.com
c) Amazon.com
d) All of them

8. The service of the Internet that provides audio and video conversation is ...
a) Chat
b) E-mail
c) Video conference
c) Video chat

 

 

 

 Internet and its Services

 

A Short answer questions:
1. What is ISP? List any two popular ISPs of Nepal.
- An ISP (Internet Service Provider) is a company that provides individuals and organizations access to the Internet.
- Two popular ISPs of Nepal are WorldLink and Vianet.

2. What is WWW? List any two popular websites of Nepal.
- WWW (World Wide Web) is a system of interlinked hypertext documents accessed via the Internet.
- Two popular websites of Nepal are Ekantipur.com and OnlineKhabar.com.

3. What is a web browser? List any four web browsers.
- A web browser is a software application used to access and view websites.
- Four web browsers are Google Chrome, Mozilla Firefox, Microsoft Edge, and Safari.

4. What is a search engine? List any four search engines.
- A search engine is a web-based tool that enables users to locate information on the Internet.
- Four search engines are Google, Bing, Yahoo, and DuckDuckGo.

B. Long answer questions:
1. What is the Internet? Write its advantages and disadvantages.
- The Internet is a global network of interconnected computers that allows users to share information and communicate with each other.
- Advantages:
1. Access to Information: Provides vast amounts of information on almost any topic.
2. Communication: Enables instant communication through email, chat, and social media.
3. E-commerce: Facilitates buying and selling of goods and services online.
4. Entertainment: Offers various forms of entertainment like streaming videos, online games, and music.
- Disadvantages:
1. Privacy Issues: Personal information can be vulnerable to hackers.
2. Misinformation: Easy to spread false information and rumors.
3. Addiction: Can lead to excessive use, impacting daily life and productivity.
4. Security Threats: Risks such as viruses, malware, and cyber-attacks.

2. Explain any four services of the Internet
1. Email: Allows users to send and receive messages electronically.
2. World Wide Web: Access to websites and web pages containing information, multimedia, and other resources.
3. File Transfer Protocol (FTP): Used for transferring files between computers on a network.
4. Social Networking: Platforms like Facebook, Twitter, and Instagram enable users to connect and share content.

3. What is an email? List any four advantages and disadvantages of it.
- Email (electronic mail) is a method of exchanging digital messages over the Internet.
- Advantages:
1. Fast Communication: Instant delivery of messages worldwide.
2. Cost-Effective: Minimal cost compared to traditional mail.
3. Convenience: Can be accessed from anywhere with an Internet connection.
4. Record Keeping: Easy to store and organize messages.
- Disadvantages:
1. Spam: Unwanted and unsolicited emails can clutter inboxes.
2. Security Risks: Susceptible to hacking and phishing attacks.
3. Miscommunication: Tone and intent can be misunderstood without non-verbal cues.
4. Overreliance: Can lead to neglect of other communication methods.

C. Write short notes on:
1. Telnet:
- Telnet is a network protocol used to provide a command-line interface for communication with a remote device or server.
2. E-fax:
- E-fax is an electronic service that allows users to send and receive faxes via email or the Internet instead of traditional fax machines.
3. IRC:
- Internet Relay Chat (IRC) is a protocol for real-time text communication between users on the Internet in channels.
4. Video Conference:
- Video conferencing is a technology that allows users in different locations to hold face-to-face meetings without being in the same place.
5. Internet Telephony:
- Internet telephony, or VoIP (Voice over Internet Protocol), is a technology that allows voice communication and multimedia sessions over the Internet.
6. E-commerce:
- E-commerce (electronic commerce) is the buying and selling of goods and services over the Internet.
7. Newsgroup:
- Newsgroups are online discussion forums where people can post messages and engage in conversations about specific topics.
D. Write the technical terms for the following:
1. A network of networks:

= Internet
2. A company that provides the Internet facilities:

= ISP (Internet Service Provider)
3. A service of the Internet that provides information on various topics or subjects:

= World Wide Web (WWW)
4. An identifier of a website:

= URL (Uniform Resource Locator)
5. A program that displays the contents of web pages on a client computer:

= Web Browser
6. A website that searches for information on the web based on a keyword:

= Search Engine
7. Internet service that helps us to send and receive instant messages:

= Instant Messaging
8. A service of the Internet that allows a user to access a remote computer:

= Telnet
9. Virtual face-to-face communication facility of the Internet:

= Video Conferencing
10. Online messaging service of the Internet:

= Chat
11. Buying or selling goods on the Internet:

= E-commerce
12. A service of the Internet that makes real-time telephone communication:

= VoIP (Voice over Internet Protocol)
13. The Internet service that allows people to post or read messages on a forum:

= Newsgroup
14. A service of the Internet that allows a user to post questions for discussion:

= Discussion Forum
15. A private Internet:

= Intranet

E. Write the full form of the following
1. ADSL: Asymmetric Digital Subscriber Line
2. ISDN: Integrated Services Digital Network
3. ISP: Internet Service Provider
4. W3C: World Wide Web Consortium
5. ARPA: Advanced Research Projects Agency
6. DARPANET: Defense Advanced Research Projects Agency Network
7. URL: Uniform Resource Locator
8. E-mail: Electronic Mail
9. Telnet: Telecommunications Network
10. IRC: Internet Relay Chat
11. E-fax: Electronic Fax
12. VOIP: Voice over Internet Protocol
13. PSTN: Public Switched Telephone Network

F. State whether the following statements are True or False.
1. ARPANET was the first computer network: True
2. WWW provides Internet facilities: False (WWW is a service on the Internet, not the provider of Internet facilities)
3. Web servers are stored in web sites: False (Web servers host websites)
4. A unique address of the website is known as Universal Resource Locator: False (Correct term is Uniform Resource Locator)
5. A search engine allows you to search websites on the net as specified: True
6. People can send or receive email through the Internet: True
7. You can send only text messages through the chat: False (You can send images, videos, and files as well)
8. The Internet provides the facility for posting messages on various subjects on the newsgroup: True
9. The Internet user can only buy goods through the Internet: False (Users can also sell goods, access information, communicate, etc.)

G. Choose the correct answer:
1. Which one is not the service of the Internet?
a) Electronic Fax
b) Chatting
c) Sharing hardware
d) Electronic mail

2. Which is the web browser?
a) Windows Explorer
b) Mozilla Firefox
c) Face book
d) Msn

3. Which is not the search engine?
a) Yahoo.com
b) Google.com
c) Bing.com
d) Ebay.com

4. Which protocol gets the email from the mail box to the user's computer?
a) SMTP
b) POP
c) FTP
d) HTTP

5. A web based e-mail service provider is
a) gmail.com
b) yahoo.com
c) Hotmail.com
d) All of them

6. In an email address: abc@yahoo.com, what does 'yahoo' refer?
a) User account name
b) Domain name
c) Top level domain name
d) None of above.

7. Which is e-commerce site?
a) hamrobazar.com
b) e-bay.com
c) Amazon.com
d) All of them

8. The service of the Internet that provides audio and video conversation is ...
a) Chat
b) E-mail
c) Video conference
c) Video chat