Chapter 5 : Internet and Social Media
1. Write full forms of the following abbreviations.
a) ARPANET = Advanced Research Project Agency Network
b) HTML= Hyper Text Markup Language
c) SMTP = Simple Mail Transfer Protocol
d) DNS = Domain Name System
e) ISP = Internet Service Provider
f) HTTPS = Hyper Text Transfer Protocol Secured
2. Choose the correct answer.
a) Which of the following is a correct term that describes the multimedia content and interlinked collection of hypertext documents on the Internet?
Answer: ii. World Wide Web (WWW)
b) The main purpose of the internet is to ..................... .
Answer: iii. access and display hypertext documents on the web
c) Which of the following is a secure version of HTTP, providing encrypted communication?
Answer: ii. HTTPS
d) ..................................................... is the primary purpose of a Virtual Private Network (VPN).
Answer: i. Securely connect to the internet and access resources
e) The main purpose of social media is ......................
Answer: ii. connecting, sharing, and talking to others online
f) Which of the following is not an example of a VPN?
Answer: ii. Google Meet VPN
g) Which of the following applications are used for online meetings?
Answer: iv. All of the above
h) ................................ are individual entries called in a blog?
Answer: iii. Posts
i) Why is blogging used?
Answer: iv. All of the above
3. Write short answers to these questions.
a) What is the Internet? Write its two uses.
Answer: The Internet is a global network of computers connected to each other to share information.
Two uses of the Internet are:
(i) Sending and receiving emails
(ii) Searching information and learning online
b) What is WWW? List out the components of WWW.
Answer: WWW (World Wide Web) is a system of interlinked web pages that can be accessed using the Internet.
Components of WWW are:
(i) Web browser
(ii) Web server
(iii) Web pages
(iv) URL (Uniform Resource Locator)
c) What is a web browser? Give an example.
Answer: A web browser is a software used to access and view websites on the Internet.
Example: Google Chrome, Mozilla Firefox
d) Write down some examples of online meeting platforms.
Answer: Some examples of online meeting platforms are:
(i) Google Meet
(ii) Zoom
(iii) Skype
(iv) Microsoft Teams
e) What are Web Protocols? List out the examples of Web Protocols.
Answer: Web protocols are rules used for communication between computers on the Internet.
Examples of Web Protocols are:
(i) HTTP
(ii) HTTPS
(iii) FTP
(iv) SMTP
f) Write down some uses of email.
Answer: Some uses of email are:
(i) Sending messages quickly
(ii) Sending files and documents
(iii) Official and educational communication
4. Write long answers to these questions.
a) Define Search Engine. What are the uses of search engines? Write with an example.
Answer: A search engine is a software or website that helps users find information on the Internet by using keywords.
Uses of search engines:
(i) Searching information
(ii) Finding images, videos, and news
(iii) Educational research
Example: Google, Bing
b) Explain the concept of Remote Login.
Answer: Remote Login is a process that allows a user to access and control another computer from a distant location using the Internet. It is useful for working from home, technical support, and accessing office computers remotely.
c) Write down the difference between HTTP and HTTPS.
d) What is social media? List out the uses of social media with its examples.
Answer: Social media are online platforms used to communicate, share information, photos, and videos with others.
Uses of social media:
(i) Communication
(ii) Sharing ideas and news
(iii) Online marketing and learning
Examples: Facebook, Instagram, Twitter, TikTok
e) Define blogs. Write down the advantages and disadvantages of blogging.
Answer: A blog is a website where people write and publish posts about different topics regularly.
Advantages of blogging:
(i) Share ideas and knowledge
(ii) Improve writing skills
(iii) Easy to communicate with readers
Disadvantages of blogging:
(i) Needs regular updates
(ii) Risk of negative comments
(iii) Takes time and effort
| HTTP | HTTPS |
|---|---|
| Not secure | Secure |
| Data is not encrypted | Data is encrypted |
| Uses port 80 | Uses port 443 |
| Less safe for online transactions | Safe for online transactions |