A mobile phone is an electronic device that can receive and make calls over a wireless network. Generally speaking a telephone is a wired phone which has certain limitation in use. You cannot carry the telephone along with you, outside your home or office. Consider if the same telephone is connected wirelessly, then you have the facility of carrying it outside your home or office. Now to carry this telephone it should be handy and portable. Hence a mobile phone is also a portable telephone connected wirelessly. Mobile Phone is also called as a cell phone, Featured Phone, Smart Phone, Basic Phone, and handset. Voice call is the main operation of a Mobile Phone. Other services are short messaging service – SMS, games, chat, mail, browsing and other internet services.
A carrier is a Mobile operator or service provider, who provides the communication service between the phones.
If a person A calls to a person B, the call reaches the carrier provider , say for example AT&T.
Now AT&T gets a request from the person A Mobile number, checks the destination number and carrier provider. If same carrier provider it transfers the call to the person B phone number and hence a connectivity is established between A and B. If the carrier of B is different, it transfers the call to that different carrier provider and in turn the provider transfers calls to person B. Now A and B will be connected.
No wonder you will be knowing few things about Mobile Phones, but then we shall discuss further in detail.
Mobile Phone – the two letter word can be split into Mobile + Phone.
Mobile means a thing in mobility, for example a mobile van, a mobile food Truck.
Phone means a device that can make and receive calls or rather called telephone
A mobile phone 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. The first handheld mobile phone was demonstrated by John F. Mitchell and Martin Cooper of Motorola in 1973, using a handset weighing 2 kilograms (4.4 lbs). In 1983, the DynaTAC 8000x was the first commercially available handheld mobile phone. From 1983 to 2014, worldwide mobile phone subscriptions grew to over seven billion, penetrating 100% of the global population and reaching even the bottom of the economic pyramid. In first quarter of 2016, the top smartphone manufacturers were Samsung, Apple, and Huawei and smartphone sales represented 78 percent of total mobile phone sales.