Questions and Answers
What primary function does the back-end serve in a web system?
Which technology is primarily used to style the appearance of a website?
What distinguishes Web 2.0 from Web 1.0?
Which of the following accurately describes the front-end of a web application?
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What is a key characteristic of Web 3.0?
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How do web developers typically create the front-end of web applications?
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Which of the following best describes a database in a web system?
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What example illustrates the functions of JavaScript in web applications?
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Study Notes
Web Systems Overview
- A web system integrates various web-based tools and platforms for creating, deploying, and managing websites and web applications.
- Key components include Front-end, Back-end, Database, and Hosting.
Front-End
- Represents the parts of a website that users interact with, such as design and content.
- Utilizes tools like HTML, CSS, and JavaScript for development.
- HTML structures the webpage, CSS styles it, and JavaScript adds interactivity like form validation.
Back-End
- Operates behind the scenes, handling server-side logic and data management.
- Responsible for processes like verifying user credentials during login to ensure smooth website functionality.
Database
- Functions as a storage system for data utilized by web applications, such as user accounts and transactions.
Hosting
- Refers to the service that provides the infrastructure for websites to be accessible on the internet, storing files and serving them to users on demand.
WEB 1.0
- Examples include early 1990s websites like GeoCities.
- Characterized by static HTML pages with limited interactivity, primarily focused on displaying content.
WEB 2.0
- Examples include social media platforms such as Facebook and Twitter.
- Marked a shift towards dynamic content, with an emphasis on user-generated content and interactivity.
WEB 3.0
- Features decentralized applications (DApps) leveraging blockchain technology.
- Emphasizes machine-readable data, artificial intelligence, and decentralization.
Definition of a Website
- A website consists of a collection of linked web pages accessible on the internet.
- It serves various functions, such as providing information, entertainment, and e-commerce.
How Websites Work
- Websites operate by sending and receiving information via the internet.
- When you enter a web address in a browser, a request is sent to a server which responds with the corresponding webpage.
Front-End Technologies
- HTML: Used for structuring webpages with elements like headings and paragraphs.
- CSS: Applied to style a website, influencing aspects like color schemes and layout.
- JavaScript: Introduces dynamic features and enhances user experience through interactivity.
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Description
Test your knowledge on the essential components of web systems, including front-end, back-end, databases, and hosting. This quiz covers the roles and technologies that power modern web applications and their functionalities.