The Internet (OCR GCSE Computer Science): Flashcards
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Practise the cards
15 cards from this deck
The Internet
The Internet
Global network of interconnected computer networks
What type of network is the Internet?
What type of network is the Internet?
Largest Wide Area Network (WAN)
World Wide Web (WWW)
World Wide Web (WWW)
Collection of websites & resources accessed via Internet
Relationship between Internet and WWW
Relationship between Internet and WWW
WWW is one service on the Internet, not the same thing
What DNS stands for
What DNS stands for
Domain Name System
Function of DNS
Function of DNS
Translates domain names into IP addresses
Hosting
Hosting
Storing files/resources on remote server for Internet access
Function of web server
Function of web server
Stores and delivers web pages to users when requested
Function of client (web context)
Function of client (web context)
Sends requests to server & receives info to display
The Cloud
The Cloud
Storing data & running apps on remote servers via Internet
Cloud advantage: storage
Cloud advantage: storage
Flexible - can increase storage capacity as needed
Cloud advantage: access
Cloud advantage: access
Remote access from anywhere with internet connection
Cloud disadvantage: connectivity
Cloud disadvantage: connectivity
Requires stable internet connection to access files
Cloud disadvantage: security
Cloud disadvantage: security
Data vulnerable to hacking when trusted to third parties
Virtual Network
Virtual Network
Software-based network within a physical network