1.12 Web Technologies

Question 1

Javascript

(Definition)

Answer 1

• Programming language for the web, modify HTML & CSS
• Calculate, manipulate & validate data.
• Adds interactivity to a site
• Interpreted not compiled

Question 2

HTML

(Definition)

Answer 2

• The languae that webpages are written in
• Allows browser to interpret & render webpage by describing structure & order

Question 3

CSS

(Cascading Style Sheets)

Answer 3

• Describes how HTML elements are displayed
• Saves times, controls multiple pages at once
• Change look by ammending 1 file

Question 4

Search Engine Indexing

Answer 4

• Indexing: Process of search engine collecting, sorting & storing data in an index
• Index contstantly updated (new pages, broken links etc.)

Question 5

PageRank Algorithm

Answer 5

• Checks no. & quality of links to a site
• More links = More important

Question 6

Client-Side Processing

Answer 6

• Manipulates user interface
• Applies CSS
• Reduces load on server
• Reduces web traffic
• Initial Data Validation

Question 7

Server-Side Processing

Answer 7

• Further validation
• Queries & updates server database
• Keeps data secure
• Performs complex calculations