1.3.4 Web Technologies

Created by

Aanya Sinha

Cards (45)

What is HTML?
HTML is the language for web pages.
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How does HTML help browsers?
It describes the structure and order of webpages.
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What are the two main sections of a webpage?
The body and the head.
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What does the <head> section contain?
The title of the webpage.
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What does the <body> section contain?
The content of the webpage.
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What is the purpose of the <html> tag?
It indicates HTML code.
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What does the <body> tag define?
The main content area of the webpage.
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What is the function of the <link> tag?
To link to additional files.
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What does the <head> tag define?
The browser tab or window heading area.
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What does the <title> tag define?
The text in the tab or window heading.
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What are the heading styles in HTML?
<h1>, <h2>, <h3>
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What does the <p> tag do?
Defines a paragraph
Adds line space above and below
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What is the <img> tag used for?
To display images on a webpage.
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What is unique about the <img> tag?
It is a self-closing tag.
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What parameters must be included with the <img> tag?
src, height, width.
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What does the <a> tag define?
A hyperlink with a location parameter.
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What is the structure of an anchor tag?
<a href= location> link text </a>
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What is the purpose of the <ol> tag?
Defines an ordered list
Uses <li> tags for list items
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What is the purpose of the <ul> tag?
Defines an unordered list
Uses <li> tags for list items
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What does the <div> tag do?
Divides a page into separate areas.
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What are classes and identifiers in HTML?
Attributes for styling elements
Classes can be reused; identifiers are unique
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How are classes defined in CSS?
Using a full stop.
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How are identifiers defined in CSS?
Using a hashtag.
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What is CSS used for?
To describe the style of a webpage.
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What are the two forms of CSS?
Internal/embedded CSS
External CSS
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Where is internal CSS placed?
Inside the style tags in HTML.
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What is the syntax for linking an external CSS file?
<link href= “nameofstylesheet.css” rel= “stylesheet” type= “text/css”>
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What does each section of CSS begin with?
The name of the class/identifier or element.
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What is JavaScript primarily used for?
To add interactivity to websites.
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How is JavaScript executed?
It is interpreted rather than compiled.
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What is one use of JavaScript?
To validate input data on the client computer.
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What are the advantages of using JavaScript?
Validates data before sending to servers
Reduces load on servers
Decreases web traffic
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What does the search engine do?
Searches through a database of internet addresses.
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Why is the order of web resources important?
It affects which websites users visit.
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What do web crawlers do?
Collect information to build an index.
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What is the PageRank algorithm used for?
To rank web pages in search results.
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What factors determine the PageRank of a page?
Number of incoming links
Page rank of linking pages
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What is the data structure used to display PageRank information?
A directed graph.
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What is the formula for PageRank?
PageRank(x) = (1-d) + d[(PageRank(T1) ÷ Count(T1)) + … + (PageRank(Tn) ÷ Count(Tn)]
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What is the damping factor in PageRank usually set to?
0.85.
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