-
Radio
the transmission and reception of electromagnetic waves of radio frequency, especially those carrying sound messages.
"cellular phones are linked by radio rather than wires" -
Newspaper
a regularly printed document consisting of large sheets of paper that are folded together, or a website, containing news reports, articles, photographs, and advertisements: -
Television
a device shaped like a box with a screen that receives electrical signals and changes them into moving images and sound, or the method or business of sending images and sound by electrical signals: -
Cellphone
a phone with access to a cellular radio system so it can be used over a wide area, without a physical connection to a network; a mobile phone. -
Computer
an electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program. -
Smarthphone
a mobile phone that performs many of the functions of a computer, typically having a touchscreen interface, internet access, and an operating system capable of running downloaded applications.