1.3.4 web technologies

Question 1

HTML

Answer 1

hyper text markup language

content and structure

Question 2

CSS

Answer 2

cascading style sheet

appearance

Question 3

Java Script

Answer 3

functionality

Question 4

Web browser

Answer 4

software that retrieves and displays web pages

Question 5

Search engine

Answer 5

uses web crawlers to
(1)discover and scan pages by following links from one webpage to another
(2)evaluate the importance of those pages->page rank

Question 6

Search engine indexing

Answer 6

uses web crawlers

indexing algorithm uses all of the information on a page to index it (including age content, links and tags/metadata)

Question 7

PageRank

Answer 7

PageRank works by counting the number and quality of links to a page to determine a rough estimate of how important the website is

Question 8

Sever side processing

Answer 8

uses PHP
- validation for password

Question 9

Client side processing

Answer 9

uses Java script
-validation for suitable email and characters

Question 10

class

Answer 10

uses .
hook to more than one element

Question 11

identifiers (id)

Answer 11

uses #
only hook to one element

Question 12

inline, internal and external css

Answer 12

advantages and disadvantages:
-maintainability
-tracing
-consistency
-developing time
-area of affecting
-location of css
-compatibility with different devices

Stylesheets can be changed for different themes, or different devices