1.3.4. Web Technologies

Question 1

What is HTML?

Answer 1

the language that web pages are written in

Question 2

What does HTML do?

Answer 2

allows a browser to interpret and render a webpage

Question 3

What is a tag in HTML?

Answer 3

values within angle brackets eg <h1>

Question 4

What is an identifier selector?

Answer 4

Identifiers are a unique name given to an element on a web page, that follows a hashtag.

Question 5

What is a class selector?

Answer 5

Multiple elements across web pages can be assigned to a certain class. This means elements can follow a consistent style, and the styling/ formatting only has to be defined once. Follows a full stop

Question 6

What is CSS?

Answer 6

a language like HTML, but used to describe the style of webpage

Question 7

What are the names of the 2 methods of applying CSS?

Answer 7

embedded/internal CSS
external CSS

Question 8

Where do you write internal CSS?

Answer 8

inside the style tags, directly within the HTML document

Question 9

Where do you write external CSS?

Answer 9

you write it in a seperate document, style sheet

Question 10

How do you use external CSS in your HTML code?

Answer 10

link href= “styles.css” rel=”stylesheet” type=”text/css” in the head

Question 11

What is javascript?

Answer 11

a language used to add interactivity on webpages

Question 12

Is javascript interpreted or compiled?

Answer 12

interpreted

Question 13

What is a search engine?

Answer 13

a program that searches through a database of internet addresses, looking for a resource based on a criteria set by the user

Question 14

What software does a search engine use?

Answer 14

web crawlers/spiders

Question 15

What does a web crawler do?

Answer 15

travels across the internet collecting keywords and phrases from a web page, and adds it to an index of web rescources

Question 16

What is the pagerank algorithm?

Answer 16

the algorithm used to determine the order, when showing web results for a search engine query

Question 17

What 2 factors determine a page rank?

Answer 17

the number of incoming links it has from other web pages
the page rank of the web pages that link to it

Question 18

What is server side processing?

Answer 18

when a client sends information to a server for processing

Question 19

What is client side processing?

Answer 19

when information is processed on a local device