Unit 4: The Internet and World Wide Web

These flashcards cover key concepts from Unit 4 focusing on the Internet and World Wide Web, including their definitions, characteristics, applications, and future trends.

What is the Internet?

The Internet is a global network of interconnected computers using standardized communication protocols, primarily TCP/IP.

What are key characteristics of the Internet?

Decentralized, global reach, interconnectedness, and scalability.

How does data transmission work on the Internet?

Data is transmitted in packets, routed through routers and networks.

What is an IP address?

A unique identifier assigned to every device connected to the Internet.

What are domain names?

Human-readable addresses that are translated to IP addresses by the Domain Name System (DNS).

Name three important protocols used on the Internet.

TCP/IP, HTTP/HTTPS, and FTP.

What is the importance of the Internet for communication?

It enables instant communication via email, messaging, video calls, and social media.

What is e-commerce?

The conduct of buying and selling goods or services over the Internet.

Who created the World Wide Web?

Tim Berners-Lee in 1989.

What is a web browser?

A software application that allows users to access, retrieve, and view content on the World Wide Web.

What are the main functions of search engines?

To search for information on the Web by processing user queries and returning relevant search results.

What is email?

Electronic mail is a method of exchanging digital messages over the Internet.

What are the components of email?

Email address, email client, email server, and email protocols (SMTP, POP3, IMAP).

What are some challenges of the Internet?

Security threats, digital divide, misinformation, and privacy concerns.

What is the future of the Internet?

Advancements in technologies like 5G, IoT, and AI are expected to enhance Internet capabilities.

What is the significance of Web 1.0, Web 2.0, and Web 3.0?

Web 1.0 was static; Web 2.0 introduced interactivity; Web 3.0 focuses on semantic and decentralized Web.