World Wide Web

1. What is E-Commerce?

Ans. E-commerce refers to the buying and selling of goods and services over the internet. It involves online transactions, digital payments, and the exchange of data to facilitate business activities. E-commerce can take various forms, such as business-to-consumer (B2C), business-to-business (B2B), and consumer-to-consumer (C2C) transactions.

2. What are protocols? Give example.

Ans. Protocols are sets of rules and standards that govern communication, data exchange, and interactions between devices, systems, and networks.

Examples of protocols include:

1. HTTP (Hypertext Transfer Protocol) - used for transferring data over the internet.

2. FTP (File Transfer Protocol) - used for transferring files over the internet.

3. TCP/IP (Transmission Control Protocol/Internet Protocol) - used for routing data packets over the internet.

4. SMTP (Simple Mail Transfer Protocol) - used for sending and receiving email.

5. HTTPS (Hypertext Transfer Protocol Secure) - a secure version of HTTP used for encrypted data transfer.

3. What are the different components of the web?

Ans. The different components of the web include:

1. *Hardware*: Servers, routers, modems, and client devices (computers, smartphones, etc.).

2. *Software*: Web browsers, web servers, and programming languages.

3. *Network*: Internet Service Providers (ISPs), Internet backbone, and local area networks (LANs).

4. *Protocols*: HTTP, FTP, TCP/IP, and other communication protocols.

5. *Data*: Text, images, audio, video, and other types of digital content.

6. *Web pages*: HTML documents, CSS stylesheets, and JavaScript files.

7. *Databases*: Storage systems for dynamic web content.

8. *Web applications*: Dynamic websites, online services, and web-based software.

4. Explain in short any three applications of the web ?

Ans.Here are three applications of waves:

1. *Communication*: Radio waves are used to transmit information wirelessly, enabling communication through devices like radios, mobile phones, and satellite TVs.

2. *Navigation*: GPS technology relies on radio waves to provide location information and navigate through unfamiliar territories.

3. *Medical Imaging*: Ultrasound waves are used in medical imaging to create images of internal organs and tissues, helping diagnose medical conditions.

5. What is web hosting?

Ans. Web hosting is a service that allows individuals and organizations to host their websites on the internet. It involves storing website files, data, and content on a server, which is then accessible to the public via the internet.