Web technologies
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40 Terms
What does HTML stand for?
HyperText Markup Language
What is the purpose of HTML?
HTML is the language used to write web pages, allowing browsers to interpret and display them by describing their structure and content order.
How are tags written in HTML?
What are the two main sections of an HTML webpage?
The head and the body.
Information about the webpage, such as the title, links to stylesheets, and other metadata.
The main content of the webpage, including text, images, and other elements.
To link to external files, including CSS stylesheets.
, , and tags?
tags?
being the largest and being the smallest.
tag?
To define a paragraph of text.
To embed an image into the webpage.
src (source of the image), width, and height.
To create a hyperlink to another webpage or resource.
The href attribute.
- tag?
To create an ordered list (numbered).
- tag?
To create an unordered list (bulleted).
What tag is used to define each item in a list?
To divide the page into separate sections or containers.
What does CSS stand for?
Cascading Style Sheets.
What is the purpose of CSS?
To control the visual appearance and styling of a webpage.
What are the two forms of CSS?
Internal/embedded CSS and external CSS.
How is internal/embedded CSS used?
How is external CSS used?
What is the basic syntax of a CSS rule?
selector { property: value; }
What are classes and identifiers in CSS?
They are attributes used to select and style specific HTML elements.
How are classes defined in CSS?
Using a full stop (.) followed by the class name.
How are identifiers defined in CSS?
Using a hashtag (#) followed by the identifier name.
What is JavaScript?
A scripting language primarily used to add interactivity to websites.
Is JavaScript compiled or interpreted?
Interpreted.
What are some advantages of using JavaScript?
It can handle invalid data on the client side, reduces server load, reduces web traffic.
How can JavaScript be used to manipulate HTML elements?
By using methods like document.getElementById() to select elements and properties like innerHTML to modify their content.
How can JavaScript be used to display output?
Changing attributes of HTML elements, writing directly to the document, or displaying alert boxes.
What is a search engine?
A program that searches through a database of internet addresses to find resources based on user queries.
What is the role of web crawlers in search engine indexing?
They traverse the internet, collecting information about websites and adding it to the search engine's index.
What is the PageRank algorithm?
An algorithm used to rank web pages based on the number and quality of incoming links.
What two factors determine the PageRank of a page?
The number of incoming links from other web pages and the PageRank of the web pages that link to it.
What data structure is used to represent the relationship between web pages for PageRank calculation?
A directed graph.
What is server-side processing?
When data is sent from the client to the server to be processed.
What are some advantages of server-side processing?
It does not require plugins, handles large calculations faster, is not browser-dependent, and is more secure.
What is client-side processing?
When data is processed directly on the client's device.
What are some advantages of client-side processing?
It allows immediate response to user actions, executes quickly, and gives developers more control over the website's behavior and appearance.
