Internet and It's Uses Flashcards
1
Q
Internet
Internet vs World Wide Web
A
- Send and receive emails
- Online chatting (Audio, Test, Video)
- Transmission Protocols (TCP) and Internet Protocols (IP)
- International collection of interconnected networks and devices
1
Q
World Wide Web
Internet vs World Wide Web
A
- Collection of Multimedia Web pages (Includes information on Websites)
- Http(s) protocols are written using Hyper Text Mark up Language (HTML)
- Uniform Resource Locaters are used to specify the location of web pages (URLs)
- Web Resources are accesed by Web Browsers
- Uses the internet to access information from Web Servers
2
Q
Web Browsers
Definition
A
- Software that allows users to access and display webpages on their devices. Webpages interpret HTML sent from websites and produce the results
- Homepage, Favourite Websites, History, Navigate forwards or backwards, Several webpages can be open
3
Q
HTML
Definition
A
Hypertext Mark-Up Language
Decides what should be placed on Web pages (stored as HTML documents)
4
Q
(URL)
Definition
A
Uniform Resource Locaters
Text addresses used to acess websites
5
Q
URL
Browser Address 1
A
protocol://website address/path/file name
6
Q
Protocol
Browser Address 2
A
HTTP or HTTPS
7
Q
Website Address
Browser Address 3
A
- Domain Host (WWW)
- Domain Name
- Domain Type (.org .net)
- Country Code (.uk .de)
8
Q
Path
Browser Address 4
A
Webpage (Often ommited, root of directory of website)
9
Q
File Name
Browser Address 5
A
Item on the Webpage
10
Q
(HTTP/HTTPS)
Definition
A
- Hyper text Transfer Protocol
- Set of rules when transferring files across internet
HTTPS, S is Secure (Green Padlock)
11
Q
Retrival and Location of Webpages
A
- See DNS
- See HTML
12
Q
DNS
Definition
A
- Domain Name Server/System
- System for dinding IP addressed for a domain name given in URL
- DNS Process involves converting URL into IP address so the computer can understand
13
Q
Cookie
Definition
A
- Small Files or code stored on Users Computer
- Sent by Web Server to a Browser on a Users Computer
- Small Lookup Table containing pairs of (Key, Data) Values
- When a user visits a wbsites, it reads any cookies set on their browser prior such as Language, Currency and previous browing activity
- Session Cookie and Persistent (or Permenant) Cookie
14
Q
Session Cookie
Types of Cookie
A
- Used when making online purchases
- Temporary Memory, dosent identify user or computer
- Ceases when website session is terminated
