Have you wonder how it was like when we still don?t have cellular phones for communicating.? We deliver in formations or communicate through mails which you usually took for about a week or month before we receive it.? But with the help of the new technology today we can now reach our loved ones in just a second and talk to them even the whole day.
?????? A cell phone is an electronic device used to make mobile telephone calls across a wide geographic area. Mobile phones are different from cordless telephones, which only offer telephone service within a limited range of a fixed land line, for example within a home or an office.? A cell phone can make and receive telephone calls to and from the public telephone network which includes other mobiles and fixed-line phones across the world. It does this by connecting to a cellular network owned by a mobile network operator.
?????? In addition to functioning as a telephone, a modern cell phone typically supports additional services such as SMS (or text) messaging, MMS, e-mail and Internet access; short-range wireless (infrared or Bluetooth) communications; as well as business and gaming applications, and photography. Mobile phones that offer advanced computing abilities are referred to as smartphones.
The first handheld cell phone was demonstrated by Dr. Martin Cooper of Motorola in 1973, using a handset weighing 2?kg.[1] In 1983, the DynaTAC 8000x was the first to be commercially available. In the twenty years from 1990 to 2010, worldwide mobile phone subscriptions grew from 12.4 million to over 4.6 billion, penetrating the developing economies and reaching the bottom of the economic pyramid.
Cell phones began as very limited devices that provided only voice services. Today, these devices also provide a myriad of data services that allow us to browse the Internet, send SMS and MMS messages; check email, watch movies, listen to music, take pictures, record videos, play video games and read documents. Some phones even provide a variety of specific applications, including the ability to review every dining option in a three-mile radius. All of these data options have changed the way we stay connected and how we entertain ourselves.
Cell phones have also made long-distance calling affordable. Most cell phone plans include nationwide long-distance calling as a part of their service at no additional cost. International calling costs are also greatly reduced, allowing users to call all over the world at extremely low rates.? Possibly the greatest feature of the mobile phone is the added sense of safety it provides. Whenever we are in need of help, cell phones give us the ability to contact friends, relatives and local emergency services, while family calling plans have given parents and children the ability to stay connected. Additionally, cell phones are equipped with a global positioning system (GPS) that doubles as a directional guide and homing device. The former keeps us from getting lost, while the latter allows police to find us in the event of emergency.
Cell phones have changed the world by becoming a mandatory component for living and thriving in modern society. Cell phones have enriched our lives on a variety of levels, and rapidly increasing technology assures us that they will continue to add new possibilities in the years to come.
dolly parton i will always love you beverly hilton hotel whitney houston found dead i will always love you whitney houston 2012 grammy awards powerball results pebble beach golf
No comments:
Post a Comment