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Questions and Answers
What does ARPANET stand for?
Advanced Research Projects Agency Network
What is an internet?
A global network of linked computers, servers, phones, and smart appliances.
The World Wide Web is the same as the internet.
False
What do URLs specify?
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Which of the following best describes a static website?
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What protocol do web servers use to deliver content?
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Match the type of website with its description:
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What is the first page of a website called?
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What does TCP stand for?
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What is a web browser?
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Study Notes
History of the Internet
- The internet originated from ARPANET, developed by the U.S. Department of Defense in the late 1960s.
- ARPANET enabled resource sharing among universities and research institutions.
- An internet is a global network of linked computers, servers, phones, and smart appliances that communicate using TCP (Transmission Control Protocol).
- TCP enables faster information and file exchange, along with other services.
World Wide Web
- The World Wide Web (WWW) refers to all publicly accessible websites and pages users can access through the internet.
- These pages are interconnected via hyperlinks that users click to access information in various formats (text, images, audio, video).
Key Internet Points
- The internet connects millions of private, public, academic, and government networks.
- It supports various services like web browsing, online shopping, and banking.
- Users can access massive amounts of information through websites and search engines.
- It facilitates communication through email, instant messaging, video calls, and social media.
- It relies on physical infrastructure like servers, data centers, undersea cables, and satellites.
Web Related Concepts
- World Wide Web (WWW): A system of interlinked hypertext documents accessed via web browsers.
- Uniform Resource Locator (URL): The address used to access resources on the internet, specifying the resource’s location and retrieval protocol.
- Web Browser: Software application used to access and navigate the internet.
- Web Server: A computer system or software that delivers web pages to user browsers using HTTP or HTTPS protocols.
Website
- Website: A collection of related web pages containing text, images, audio, and video.
- Homepage: The first page of a website.
- Each website has a specific internet address (URL) used to access it through a browser.
- Websites can be static or dynamic.
Static Website
- Easy to create.
- Web pages are coded in HTML.
- Fixed code for each page, meaning the information remains unchanged and resembles a printed page.
Dynamic Website
- Collection of dynamic web pages whose content changes dynamically.
- Accesses content from a database or Content Management System (CMS).
- Content changes when the database is updated.
- Uses client-side or server-side scripting.
- Client-side scripting generates content based on user input, processed by the web browser to render information.
Static vs. Dynamic Website
| Feature | Static Website | Dynamic Website |
|---|---|---|
| Content | Remains the same when the page is loaded. | Changes regularly. |
| Code | Uses HTML code for development. | Uses server-side languages like PHP, SERVLET, JSP, etc. |
| Response | Sends the same response for every request. | Generates different responses for every request. |
| Content Changes | Only changed when someone updates the file. | Content is generated dynamically by the server when the page loads. |
Server: Web vs. Application
- Server: A device or computer program that accepts requests from other programs (clients) and responds.
- Used to manage network resources and run programs or software providing services.
- Types of servers: Web Server and Application Server.
Differences between Web Servers and Application Servers
| Feature | Web Server | Application Server |
|---|---|---|
| Content Delivered | Static content. | Dynamic content. |
| Protocol | HTTP protocol only. | Various protocols, including HTTP, FTP, SMTP, etc. |
| Served Applications | Web-based applications | More complex applications beyond web-based ones. |
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Description
Explore the fascinating history of the internet, tracing its origins from ARPANET to the present day. This quiz delves into the technological advancements that shaped the global network we use today, including important protocols like TCP. Test your knowledge of key concepts, services, and the evolution of the World Wide Web.
