1.3.4 Web Technologies

Question 1

What is HTML?[2]

Answer 1

HTML is the language/script that web pages are writtern in.[1]It allows a browser to interpret and render a webpage for the viewer[1]

Question 2

What is the < html > tag used for?[1]

Answer 2

All code written within these tags is interpreted as HTML[1]

Question 3

What is the < body > tag used for?[1]

Answer 3

Defines the content in the main browser content area[1]

Question 4

What is the < link > tag used for?[1]

Answer 4

Used to link a css stylesheet to the HTML file[1]

Question 5

What is the < head > tag used for?[1]

Answer 5

Defines the browser tab or window heading area[1]

Question 6

What is the < title > tag used for?[1]

Answer 6

Defines the text that appears on the browser tab or window heading area[1]

Question 7

What does an <a> tag do?[1]</a>

Answer 7

Defines a hyperlink with location parameters[1]

Question 8

What does the <ol> tag do?[1]</ol>

Answer 8

Defines an ordered list[1]

Question 9

What does the <ul> tag do?[1]</ul>

Answer 9

Defines an unordered list[1]

Question 10

What does a <div> tag do?]2]</div>

Answer 10

Creates a division of a page into separate areas[1] Each which can be referred to uniquely by name, (<div>)[1]</div>

Question 11

What are the uses of classes and identifiers in HTML? [2]

Answer 11

Class and identifiers are the tags you use to target specific sections within the HTML file[1] so it’s easier to style groups of HTML tags within the CSS file[1]

Question 12

What is CSS?[2]

Answer 12

CSS is a language/script like HTML except is used to change the style of a webpahe.[1] It can be used to specify the way HTML elements look[1]

Question 13

What is javascript used for in webpages?[1]

Answer 13

Javascript adds interactivity to websites.[1]

Question 14

Is javascript compiled or interpreted?[2]

Answer 14

Javascript is interpreted[1]This is so the browser can interpret the code everytime the webpage is displayed.[1]

Question 15

What is a search engine?[1]

Answer 15

A search engine is a program that searches through a database of internet addresses looking for resources based on the criteria set by the client[1]

Question 16

What do web crawlers do in a search engine?[2]

Answer 16

Since search engines rely on an index of web pages, web crawlers are used to collect the information.[1] They work by traversing the internet web page by webpage looking for
linked sites. [1]

Question 17

What does the pagerank algorithm do?[1]

Answer 17

The pagerank algorithm ranks each web page higher ranked pages will show up first on the search engine[1]

Question 18

What are the 2 factors that determine the page rank of a page?[2]

Answer 18

How many incoming links it has from other web pages[1]. The page rank of the web pages.[1]

Question 19

What’s meant by server side processing?[2]

Answer 19

Server side processing is when a client sends data to a server for it to be processed.[1] This
means no information is processed on the client computer.[1]

Question 20

What are the advantages of server side processing?[4]

Answer 20

Doesn’t require plugins[1] Can perform large calculations much faster than clients[1] Not browser dependent[1] It’s more secure[1]

Question 21

What’s meant by client side processing?[2]

Answer 21

Client side processing is when a client processes the data on its local device.[1] This means all of the information is processed on the client computer.[1]

Question 22

What are the advantages of client side processing?[2]

Answer 22

Webpage can immediately respond to user actions,[1] Gives developers more control over the behaviour and look of the website,[1]