C1 - Creating the Web
What is the main difference between the internet and the World Wide Web (WWW)?
The internet is the network of computers, while the WWW is a system for accessing information on the internet.
What is a search engine?
A software that allows users to search for information on the web.
What is mobile computing?
A technology that allows data, voice, and video transmission without being connected to a fixed physical link.
What is cloud computing?
A model where computing resources are delivered over the internet as a service.
What does CSS stand for?
Cascading Style Sheets.
What does the acronym HTML stand for?
Hypertext Markup Language.
Name one layer of the web that cannot be reached by normal search engines.
The deep web.
What is one characteristic of ubiquitous computing?
It integrates computing into everyday life through embedded devices and sensors.
What is the main feature of a private cloud?
It is owned and used exclusively by one organization for internal purposes.
What file type is commonly used for lossless image compression?
PNG file
Name one major difference between Web 1.0 and Web 2.0.
Web 1.0 is read-only, while Web 2.0 is read-write, allowing user interaction and content contribution.
What is the main purpose of web indexing?
To organize and store information about web pages to make them searchable by search engines.
What is the main difference between lossy and lossless compression?
Lossy compression reduces file size by discarding data, while lossless compression preserves all data.
What is one advantage of using hybrid cloud models?
They allow sensitive data to stay in a private cloud while utilizing public clouds for scalable workloads.
What is the primary function of TCP in networking?
To ensure reliable delivery of data packets between devices.
What is the function of DNS (Domain Name System) in the internet?
It translates domain names into IP addresses so that computers can access websites.
What is the role of meta tags in web pages?
Meta tags provide information about a webpage (e.g., title, description, keywords) to help search engines index it.
What does the term "grid computing" refer to?
A network of computers working together to perform large-scale computations.
How does the semantic web (Web 3.0) address the limitations of Web 2.0?
By enabling machines to understand and process data with contextual relevance.
Why might a decentralized web improve privacy for users?
It reduces reliance on centralized platforms that collect and store personal data.
What is the purpose of a URL?
A URL (Uniform Resource Locator) defines a pathway to a specific resource on the web and allows linking between resources.
What are the two key concepts in the HITS algorithm?
Authorities and hubs.
Why are standards like ISO important for web technologies?
They ensure compatibility, safety, and interoperability among systems.
Why might the web create unregulated monopolies?
Dominant platforms like Google and Facebook centralize user data, limiting competition and creating barriers to entry for smaller players.
What does the term dynamic web page refer to?
A page that generates content dynamically based on user input or database interactions.