The phone is known as a tool designed for the simultaneous transmission and reception of human voice, as it is one of the greatest inventions of mankind ever, being an easy-to-use and operating means of communication, and it provides immediate quality and personal services to its users that cannot be provided through any other device or medium, in addition to being It is cheap, which made it the most used device in the world, as there are billions of species around the world.

The phone is considered one of the important inventions in the modern era, as it has become an alternative tool for almost many tasks, as it is used at home, in the education sector, and in business, in addition to being a source of entertainment, a tool for educating the illiterate, and a vital device for scientists and academic 

The discovery of the phone achieved a great revolution in the field of communication in the world, and it was one of the most prominent evolutionary transformations in the twentieth century. As for the facts that revolve around it, they are many, and among those facts: 

The phone was considered more advanced than the telegraph device invented by Samuel Morse in 1835 AD, as it was proven that signals can be transmitted by wire, and current pulses used to move the electromagnet, then produce symbols written on a strip of paper called a code, later called Morse code. In 1843 AD, the US Congress funded the creation of an experimental telegraph line from Washington to Baltimore, valued at $ 30,000, after which the first telegraph message became world-famous and ushered in the era of near instantaneous communications. Alexander Graham Bell thought of the possibility of sending multiple messages through a telegraph wire, which was limited to sending and receiving one message at a time on the same wire and at the same time, from the idea that many notes could be sent simultaneously on the same wire if the notes or signals differed. In pitch, which made him obtain a patent for the telephone.

Most smartphones contain a Global Positioning System (in English: GPS; Global Positioning System), as this technology helped improve communications and transportation around the world, by identifying locations and addresses around the world, and GPS is considered an application. The navigation that allows the user to reach his destination easily, through the directions given by the application, whether the user is a driver or a pedestrian, and saves the user the trouble of asking people about how to reach his destination, and this application helps to avoid traffic crises by displaying places crowded with traffic.

 Provide privacy:

 This feature provides security and confidentiality of the contents of the phone, and enables the user to carry out multiple activities on the phone without the knowledge of one of them, providing protection for images of the phone through passwords, user can also send messages confidentiality and privacy, and conducting transactions over the Internet  is the phone lock program is one of the applications on this feature, so no person can access someone's phone, unless he has the password for the phone. Increase your entertainment Smart phones are one of the sources of fun and entertainment, as the user can hear music, play electronic games, watch movies, read e-books via the Internet, and smart phones kill boredom, as they contain several applications that provide entertainment and fun. It provided the ability to download or listen to music from its sources anytime and anywhere, as well as videos, and provided the ability to share music and videos with friends. Enhance communication Smartphones help its users to stay in touch with people without the need to be in the same place, so all that is required is to download a social media program , such as: Facebook, Twitter, or WhatsApp, and it is also possible to make voice or video calls without any Cost, Smart phones allow easy access to social media accounts, and also give the ability to access e-mails and respond to messages without the need for a computer. Other benefits of smartphones.

There are many other benefits of smartphones, including the following: 

• Smartphones can be an electronic library.
• Smartphones help build vocabulary and language skills. 
• Smartphones are an educational tool for children.
• Smartphones are important for online shopping.

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