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Radio
Radio is sound communication by radio waves, usually through the transmission of music, news, and other types of programs from single broadcast stations to multitudes of individual listeners equipped with radio receivers. -
Television
A system for transmitting visual images and sound that are reproduced on screens, chiefly used to broadcast programs for entertainment, information, and education. -
Television
A system for transmitting visual images and sound that are reproduced on screens, chiefly used to broadcast programs for entertainment, information, and education. -
Cellphone
A wireless telephone using a system of low-powered radio transmitters, with each transmitter covering a distinct geographical area (cell ), and computer equipment to switch a call from one area to another, thus enabling broad-scale portable phone service. -
Computer
A computer is a machine that can store and process information. Most computers rely on a binary system, which uses two variables, 0 and 1, to complete tasks such as storing data, calculating algorithms, and displaying information. -
Facebook
Facebook is a website which allows users, who sign-up for free profiles, to connect with friends, work colleagues or people they don't know, online. It allows users to share pictures, music, videos, and articles, as well as their own thoughts and opinions with however many people they like. -
Tablet
A tablet is a wireless, portable personal computer with a touchscreen interface. The tablet form factor is typically smaller than a notebook computer, but larger than a smartphone. The idea of tablet computing is generally credited to Alan Kay of Xerox, who sketched out the idea in 1971.