Mobile phones belong to the communication industry classification; mobile phones are divided into smart phones and non-smart phones. Generally, the performance of smart phones is better than that of non-smart phones, but the performance of non-smart phones is more stable than smart phones; broadly speaking, smart phones In addition to the call function of a mobile phone, it also has most of the functions of a PDA, especially personal information management and browser and email functions based on wireless data communication.
The operating environment of this tutorial: Windows 7 system, Dell G3 computer.
What industry classification does mobile phone belong to?
Mobile phones belong to the communications industry category.
Mobile phone, the full name is mobile phone or wireless phone, usually called mobile phone. It was originally just a communication tool. In the early days, it was also commonly known as "Big Brother". It is a portable phone terminal that can be used in a wide range of , first developed from the field mobile phone manufactured by Bell Labs in the United States in 1940. In 1958, Soviet engineer Leonid Kuprianovich invented the ЛК-1 mobile phone. In 1973, American Motorola engineer Martin Cooper invented the world's first commercial mobile phone.
Mobile phone communications have gone through the 2G era, the 3G era, and so far have developed into the 4G era. The 5G era has followed closely behind, and 5G has been commercialized in China.
Mobile phones are divided into smart phones and feature phones. Generally, the performance of smart phones is better than that of non-smart phones, but the performance of non-smart phones is more stable than that of smart phones. Most non-smart phones and smartphones use CPUs based on the British ARM company's architecture. Smartphones have a higher main frequency, run faster, process program tasks faster, and are more convenient in daily life (for example: Nokia n81 has a main frequency of 369 MHz); non-smartphones have a lower main frequency and run faster. Slow (for example: Nokia 5000 is clocked at 50 MHz).
Smart phone refers to a smartphone that has an independent operating system like a personal computer. Most of them are large-screen machines with capacitive touch screens. Some are resistive touch screens, which are powerful and practical. high. A general term for a type of mobile phone that allows users to install programs provided by third-party service providers, including games, etc., through which the functions of the mobile phone can be continuously expanded and wireless network access can be achieved through the mobile communication network." Broadly speaking, in addition to the call function of a mobile phone, a smartphone also has most of the functions of a PDA, especially personal information management and browser and email functions based on wireless data communication. Smartphones provide users with sufficient The screen size and bandwidth are not only convenient to carry around, but also provide a broad stage for software operation and content services. Many value-added services can be launched here, such as: stocks, news, weather, transportation, commodities, application downloads, music, pictures, Game downloads, etc.
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