5.1 - The Internet & the WWW Flashcards
What is the internet? [1]
a global network of computer
What is the world wide web? [2]
a collection of webpages which is accessed via the internet. It’s a service built on top of the internet.
What is a URL? [1]
They are text addressses used to access websites
What does URL stand for? [1]
Uniform resource locator
What does uniform mean? [1]
because the format is consistent
What does resource mean? [1]
a web page, pdf, picture, etc
What does locator mean? [1]
finder
What is the protocol? [1]
http or https
What is the website address? [4]
- domain host (www)
- domain name (website name)
- domain type (.com, .org)
- country code (.uk, .np)
What is the path? [1]
web page (the roots)
What is the file name? [1]
item on the web page
What does HTTP stand for? [4]
Hyper Text Transfer Protocol
What does HTTPS stand for? [5]
Hyper Text Transfer Protocol Secured
What is HTTP used for? [2]
used for viewing webpages on the internet
What happens in HTTP to your information? [2]
Any information exchanged between your computer and that web server is transferred over the public internet.
What does HTTPS do? [2]
encrypts the data retrieved by HTTP
What does HTTPS make sure happens to the data? [2]
It makes the data impossible to read by encrypting it as the data is being shared over the internet
How is the secure HTTP shown? [1]
Padlock symbol added to the address bar
What encryption does HTTPS use to secure data transmission? [2]
SSL / TLS
What are 5 functions of a web browser? [5]
- store web pages as bookmarks
- history of websites
- allow many web pages to be opened at the same time using ‘tabs’
- make use of cookies
- provide address bar
What are cookies? [1]
Small data stored on a user’s computer
What doe cookies allow? [1]
User tracking and maintain user preferences
What are the two types of cookies? [2]
Session cookies & Persistent cookies
What are session cookies used for? [5]
- used while making online purchases
- keep user’s items in a virtual shopping cart
- stored on temporary memory location on computer
- doesn’t store or collect personal information
- ceases to exist once the browser is closed
What are persistent cookies used for? [3]
- logs in user details
- stored on the hard drive permanently
- they stay even after the browser is closed
