The cell phones, cell phone or mobile phone, is a portable electronic device that allows you to perform different tasks. However, its main purpose is to maintain communication to the people. Using a cell phone you can make and receive calls, messages, connect to the network, save information, and more.
The phones cell phones advance hand in hand with the technology. They evolve so quickly that the same model can be launched up to two times in the same year, but companies have complete control of the improvements they launch on the market, since their profitability as a business depends on this.
Characteristics of a Cell Phone
Main features
It is a portable electronic device that sends and receives calls using a radio frequency carrier. The device must be in the service area for this. It was developed in 1973 with the intention of keeping people in communication, even if they are moving on the streets or just at home. Currently they can do a large number of functions, such as camera, file transmission, file storage, among others.
It is an electronic device
Cell phones are electronic devices that have the integration of different components and technologies that facilitate their correct functioning.
Nowadays, a cell phone has video cameramicrophones, gyroscopes, all kinds of sensors, among others.
Allows you to communicate with other people
When cell phones were invented, they were made with the intention that people could stay connected from anywhere on the planet. You could go shopping and get a call. At first it was very uncomfortable, but then the technology was perfected.
Need a charger
Cell phones operate from a built-in or removable battery that is charged using a charger connected to the electrical current.
Previously, cell phones were charged only by cables, but now there are other ways available on the market.
Performs different functions
Mainly and fundamentally, a cell phone is used to send and receive calls and messages. text. But later multimedia messages, radio, camera, applications, games, and more were integrated. In this way, the number of functions performed by this device grew.
Currently, among the extra functions of a cell phone, we have:
GPS
Bluetooth Wi-Fi Mobile Hotspot And many more.
Works with a telephone line
Cell phones need a telephone line to connect to the cellular network and receive its signal. This cell phone number is unique to each mobile phone, although it can be fraudulently cloned.
It is with this telephone line that the most important functions are carried out: calls and text messages.
You can connect headphones
Although this was not something that could be done previously with cell phones, later a port was integrated to connect headphones, since this way you could play music without anyone else hearing it. And today, through Bluetooth technology, hands-free headphones can be used with a cell phone.
It was invented in 1973
What happened was in 1973 on the streets of New York, United States. Martin Cooper, who was Corporate Director of the Research and Development Area of the Motorola company. He decided to do something never seen before. He took his Motorola DynaTAC 8000X in the middle of a New York street, and made the first call from a cell phone in history.