1.2.3 Internet Principles of Operation Flashcards
What is a web browser?
A web browser is software that lets you look at web pages.
What are the steps a browser takes to show you a web page?
Get the web servers name from the URL
Connect to the web server
Transfer a copy of the web page onto your computer
Display the webpage humans can understand it
What are 6 main web browsers?
Google Chrome Internet Explorer Microsoft Edge Opera Safari Mozilla Firefox
To show a web page, a browser has to………..
- Connect to the web server
- Web server transfers a copy of the web page to your computer
- Browser displays a web page in a way humans can understand
What does URL stand for?
Uniform Resource Locator
What are the 3 parts of this URL?
http://www.cie.org.uk/index.htm
http:// - protocol
www.cie.org.uk - domain name (or web server)
/index.htm - path (or file)
What is the purpose of an ISP?
To provide access to the internet
What does ISP stand for?
Internet Service Provider
Name 3 main ISPs in South Korea?
KT, SK Broadband, LGU+
What does HTML stand for?
Hypertext Markup Language
HTML is a…
markup language
Markup languages are used to…
add descriptions to text
HTML descriptions are called…
tags
HTML tags…
tell a browser how to display a document (e.g. webpage)
HTML tags usually come in pairs. Why?
One tag turns on the feature, the other turns it off
<h1>Dulwich College</h1>
What are the two main types of HTML tags?
Structure
Presentation
What do HTML structure tags do?
Structure tags control the layout of the web page
E.g. page title, headings, sections and paragraphs
What do HTML presentation tags do?
Presentation tags change how the web page is displayed
e.g. bold text, font style, font colour
What is hypertext?
Hypertext is text that makes a link to a new web page.
Hypertext links are shown in blue underlined text
