What are five technologies?

 

Here are five technologies, explained simply:

 1.   A "mobile phone" is a device that can be used to make calls, send messages, and access the internet. 2.    Computer used for work, study, and information

 3.   Television is used for news and entertainment. 

5. Food preservation device in the refrigerator. A vehicle used for transportation. Please specify whether you require "very brief responses," "school-level," or "with pictures."