Internet
What is it?
Its a globally connected networks system that uses a protocol (tcp/ip) to transmit data via various media.
It refers to the global communication systems including hardware infrastructure while the web is one of the services communicated over the internet.
Browsers
What is a browser?
Software program that allows user to locate, access, and display web pages.
They're used primarily for displaying and accessing websites on the internet, as well as other content created using languages such as HTML (hypertext markup language) and XML (extensible markup language).
Firefox, chrome, safari, edge and explorer.
Search engine
What is it?
Its a service that allows internet users to search for content via the World Wide Web.
A user enters key words or key phrases into the search engine and receives a list of web content results in the form of websites, images, videos, or other online data.
Yahoo, google, bing, ask and about.
Cloud service
What is it?
It provides many IT services traditionally hosted in house, such as provisioning, an application/database server from the cloud, replacing in-house storage/backup with cloud storage and accessing software and applications directly from a web browser without prior installation.
iCloud, Dropbox, google images, windows azure and google drive.
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