The Internet & World Wide Web (Leaving Cert Computer Science): Flashcards

Collection of interconnected devices that communicate to share resources & info

Global network of interconnected networks using standardised protocols

Network of connected documents & web resources linked via hyperlinks

Uniform Resource Locator

Set of rules for how data is transmitted & received over a network

Hypertext Transfer Protocol

Secure extension of HTTP that encrypts transmitted data

Transmission Control Protocol

Internet Protocol

Four layers

Radio wave tech for wireless network communication (Wireless Fidelity)

Voice over Internet Protocol

On-demand access to computing resources over the Internet

Pay only for what you use, no expensive hardware investment needed

Concerns about unauthorised access & data breaches