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Questions and Answers
What is the primary function of a web server?
What is the primary function of a web server?
- To format web pages using HTML
- To browse the internet
- To host client applications
- To carry distribution information over the internet (correct)
Which of the following is NOT a characteristic of web servers?
Which of the following is NOT a characteristic of web servers?
- They can only be large mainframes (correct)
- They require server software
- They can be various types of computers
- They must always be operational
What role does the HTTP protocol play in web communication?
What role does the HTTP protocol play in web communication?
- To store files on a local system
- To manage server hardware
- To transmit files between servers and clients (correct)
- To format web pages with CSS
Which of the following is a reason non-technical users prefer renting space on existing websites?
Which of the following is a reason non-technical users prefer renting space on existing websites?
What type of devices can be considered web clients?
What type of devices can be considered web clients?
What should happen when a user fills out a form on a web document?
What should happen when a user fills out a form on a web document?
Which statement best describes the nature of server applications?
Which statement best describes the nature of server applications?
What is the primary purpose of using HTML in web publishing?
What is the primary purpose of using HTML in web publishing?
What is the primary purpose of Hypertext Transfer Protocol (HTTP)?
What is the primary purpose of Hypertext Transfer Protocol (HTTP)?
Which statement accurately describes how HTTP operates?
Which statement accurately describes how HTTP operates?
What happens when a user enters a URL in a web browser?
What happens when a user enters a URL in a web browser?
What role do protocols serve in web communication?
What role do protocols serve in web communication?
How does a web browser process documents received via HTTP?
How does a web browser process documents received via HTTP?
What distinguishes subdomains from main domains?
What distinguishes subdomains from main domains?
Which of the following is NOT a function of the HTTP protocol?
Which of the following is NOT a function of the HTTP protocol?
Why was HTTP invented alongside HTML?
Why was HTTP invented alongside HTML?
What is the primary purpose of HTML5 semantic elements?
What is the primary purpose of HTML5 semantic elements?
Which of the following elements is NOT a semantic element introduced in HTML5?
Which of the following elements is NOT a semantic element introduced in HTML5?
How do semantic elements improve web development according to the content?
How do semantic elements improve web development according to the content?
Which semantic element is best suited for defining a navigation section in HTML5?
Which semantic element is best suited for defining a navigation section in HTML5?
What does the 'meter' element in HTML5 represent?
What does the 'meter' element in HTML5 represent?
Which approach did web developers commonly use before HTML5 semantics to define sections?
Which approach did web developers commonly use before HTML5 semantics to define sections?
What does the 'time' element in HTML5 specifically represent?
What does the 'time' element in HTML5 specifically represent?
What is a significant advantage of using semantic HTML5 elements over traditional DIV tags?
What is a significant advantage of using semantic HTML5 elements over traditional DIV tags?
What is the primary use case for JPG images?
What is the primary use case for JPG images?
Which image format is limited in color palette and should not be used for photos?
Which image format is limited in color palette and should not be used for photos?
What is a significant characteristic of SVG images?
What is a significant characteristic of SVG images?
What does the alt attribute in an image tag do?
What does the alt attribute in an image tag do?
Which of the following elements is used to justify an image on a web page?
Which of the following elements is used to justify an image on a web page?
What is the default size of JPG, GIF, and PNG images referenced in the content?
What is the default size of JPG, GIF, and PNG images referenced in the content?
Which alignment attribute can be used to align text with the bottom of an image?
Which alignment attribute can be used to align text with the bottom of an image?
Which image format would generally result in a larger file size for the same quality compared to JPG?
Which image format would generally result in a larger file size for the same quality compared to JPG?
What does HTML stand for?
What does HTML stand for?
Who were the initial creators of HTML?
Who were the initial creators of HTML?
Which file extensions are commonly associated with HTML files?
Which file extensions are commonly associated with HTML files?
What primary function does HTML serve?
What primary function does HTML serve?
Which of the following is a free HTML editor?
Which of the following is a free HTML editor?
What components does HTML use to describe how a page should be presented?
What components does HTML use to describe how a page should be presented?
What is the most recent version of HTML called?
What is the most recent version of HTML called?
What do HTML tags consist of?
What do HTML tags consist of?
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Study Notes
Basic Components of the Web
- Web Servers: Computers that store and distribute content over the Internet, using HTML to format data.
- Types of Servers: Can be PCs, Macintoshes, or UNIX workstations, differentiated by server software. Must remain operational for public access.
- Web Clients: Devices like PCs and smartphones that access information from web servers, utilizing various client software such as Mosaic.
- HTTP Protocol: Facilitates data transmission between clients and servers. It processes requests like file retrieval and delivers results swiftly.
- Counterparts of HTTP: Includes protocols like FTP (File Transfer Protocol) for different types of data transfer.
HTML5 Semantic Tags
- Purpose of Semantic Elements: Enhance web page structure and meaning, making it easier for browsers and developers to navigate and manage layouts.
- Key Elements: Include
header
,footer
,section
,nav
,aside
, anddialog
, which provide meaningful content organization compared to traditional DIV tags. - Examples of Structural Elements: The introduction of semantic tags allows for clearer layout definitions, improving overall web design and comprehension.
HTTP Protocol
- Definition: An application protocol for communication over the Web, allowing data exchange between clients and servers.
- Purpose: To enable interaction with web resources, facilitating user requests for documents that are returned in a usable format.
- Request-Response Mechanism: Users send requests via web browsers that are processed by servers, with responses transmitted back in various formats such as HTML and images.
HTML Overview
- Language of the Web: HTML (Hypertext Markup Language) is essential for creating functional web pages, first developed by Tim Berners-Lee and others in 1989.
- Latest Version: HTML5, which incorporates new elements for enhanced structure and semantics in web design.
- File Extensions: HTML files typically end with .html or .htm.
HTML Editors
- Types of Editors: Simple text editors (like Notepad) can be used to create HTML, but specialized editors improve ease of use through features like syntax highlighting.
- Recommended Free Editors: Notepad++, Visual Studio Code, and Sublime Text.
HTML Tags
- Structure: Tags are enclosed in angle brackets and usually occur in pairs (opening and closing tags) to define content types.
Image Formats
- JPG: Ideal for photo storage due to small file sizes without losing color quality; suited for images with gradients.
- GIF: Best for simple animations; limited color palette and not suitable for photographs.
- PNG: Good for non-photographic images; larger file size than JPG but supports transparency.
- SVG: Vector-based format that scales without losing quality, great for responsive design.
Image Best Practices
- Alt Attributes: Essential for accessibility and improving SEO; they provide text alternatives for images.
- Image Alignment: Control horizontal alignment using tags before and after image tags, and vertical alignment with specific attributes.
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