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A mobile phone (or cellphone) is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area, as opposed to a fixed-location phone (landline phone).
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A smartphone (often simply called a phone) is a mobile device that combines the functionality of a traditional mobile phone with advanced computing capabilities. It typically has a touchscreen interface, allowing users to access a wide range of applications and services, such as web browsing , email , and social media , as well as multimedia ...
[1] The history of mobile phones covers mobile communication devices that connect wirelessly to the public switched telephone network. While the transmission of speech by signal has a long history, the first devices that were wireless, mobile, and also capable of connecting to the standard telephone network are much more recent.
A mobile phone (also known as a hand phone, cell phone, or cellular telephone) is a small portable radio telephone. This cell phone can be used to communicate over long distances without wires. It works by communicating with a nearby base station (also called a "mobile tower") which connects it to the main phone network.
Philipp Reis, 1861, constructed the first telephone, today called the Reis telephone. Alexander Graham Bell was awarded the first U.S. patent for the invention of the telephone in 1876. Elisha Gray, 1876, designed a telephone using a water microphone in Highland Park, Illinois.
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A smartphone is a mobile phone that can also be used as a computer. [1] . They work as a computer but are mobile devices small enough to fit in a user's hand. They use a System on a chip or Minimal instruction set computer so they can be small. Uses include: Sending and receiving emails, text, photographs and multimedia messages.
