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About Mobile Phones
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Mobile phones are also referred to as cell phones. These are portable electronic devices, which are mobile in nature and used for long-range communication. Apart from the mobile communication facility, mobile phones have other functions like SMS (short message services), packet switching, email and MMS. In order to reap the full benefit of mobile phones or cell phones, one has to gain knowledge about all the functionalities and external devices, which come along them. Generally speaking, the mobiles phones operate by connecting to a cellular network of base stations, which is interconnected to the PSTN (Public Switched Telephone Network).
Mobile phone was first introduced in the market by the engineers of Bell Labs at AT&T in the year 1947, which was further developed and remodeled in the successive years. Since then, the modernization of mobile phones has been constantly happening. When we talk about mobile phones, the names of companies like Sagem, Nokia, Siemens, Panasonic, Motorola, Mitsubishi, LG Mobile, Sony Ericsson, Samsung, Philips and several prominent mobile manufacturing companies gets dragged in.
A lot of network providers are prevailing in each and every country throughout the world.The ‘pay as you go’ or prepaid services and postpaid services are the
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primary services catered by the mobile phone manufacturing companies.While using mobile phone in public places one should maintain some minimal level of decorum. Speaking loudly on mobile phones in places like houses of worship, libraries, and doctor's clinics, petrol stations, while driving, educational institutions and so forth is not considered as a nice gesture.
In the recent past, many new applications have sprung up after the emergence of mobile phones.
Apart from the primary features, in today’s generation the mobile phones are also used in forensic, health care, vigilance and many other departments. And in spite of some of their negative effects, they are widely used.
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