A mobile phone (also known as a cellular phone‚ cell phone and a hand phone) is a device that can make and receive telephone calls over a radio link while moving around a wide geographic area. It does so by connecting to a cellular network provided by a mobile phone operator‚ allowing access to the public telephone network. By contrast‚ a cordless telephone is used only within the short range of a single‚ private base station. In addition to telephony‚ modern mobile phones also support a wide variety
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Introductin Mobile phones are one of the most common information access devices with almost 31% of the global population having access. This exploratory study investigated usage patterns of‚ and attitude about‚ cell phones among university students in a mature market (United States) and a rapidly growing new market (India) by surveying students in each country. Key findings from the study include similarities in the usage of phones to communicate with others and in the perception of mobile phone usage
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Health Issues Do cell phones pose a health hazard? Many people are concerned that cell phone radiation will cause cancer or other serious health hazards. The weight of scientific evidence has not linked cell phones with any health problems. Cell phones emit low levels of radiofrequency energy (RF). Over the past 15 years‚ scientists have conducted hundreds of studies looking at the biological effects of the radiofrequency energy emitted by cell phones. While some researchers have reported biological
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The hand held mobile phones came into existence somewhere during 70’s‚ and in India during 90’s. India is the second largest‚ in mobile telecommunication system. As the number of service providers increased‚ the rates had to decrease. The main service providers are "Airtel‚ Reliance‚ Vodafone‚ Idea cellular and BSNL. With the emergence of more and more mobile service providers‚ the monopoly of land line service provider (BSNL) seems to be in threat and forced them to be more efficient in the quality
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What Is a Mobile Phone? A mobile phone is more frequently called a cellular phone or cellphone. These communication devices connect to a wireless communications network through radio waves or satellite transmissions. Most mobile phones provide voice communications‚ Short Message Service (SMS)‚ Multimedia Message Service (MMS)‚ and newer phones may also provide Internet services such as Web browsing‚ instant messaging capabilities and e-mail. What Is a Smartphone? A smartphone is considered to
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5)may get damaged easily by water 6)signals(tower) may not be avail clearly at times what are the merits and demerits of using cellphone? pls let me know? what are the merits and demerits of using cellphone? pls let me know? MERITS 1.cell phone is necessary to every human beings living in the world bcoz easily contact which ur loved person living in any corner of the world with in one sec &share ur feeelings‚happiness‚sorrows &unforgotable momories etc. 2.it is very useful for students
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Mobile Phones: A boon or a bane By Ankita S.‚ ahmedabad‚ India More by this author Email me when Ankita S. contributes work Image Credit: Joseph S.‚ San Anselmo‚ CA Is a knife useful instrument or a perilous weapon? It depends on how it is used. Same implies with the case of technology. The greatest invention are those which affect the mass of people; and of those greatest invention is cell phones .It would be very ungrateful on our parts not to recognise how imperative are they to us. Cell phones
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Advantages and Disadvantages of Mobile Phones Introduction With the rapid development of IT and information industry‚ mobile phones play a dominant role in towns people’s lives. This essay then goes on to discuss both the advantages and disadvantages of mobile phones. Body First of all‚ mobile phones are useful and convenient to human beings. People can communicate with others in an easier way than people did in the old days. In the past‚ without mobile phones‚ communications were too difficult
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situation where the mobile phone did not exist‚upto to today when almost everyone has one and it has become a necessity This essay will discuss the Mobile phone and look at its origins and analyse how it has evolved over time to become a necessity in the present day. A Mobile Phone or cellular phone is a device that is used to make and receive telephone calls over a radio link over a wide geographical area.It does this by connecting to a cellular network provided by a mobile Phone operator like MTN
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ACKNOWLEDGEMENT INTRODUCTION Mobile phones‚ also known as cell phones or wireless phones‚ are hand-held phones with built-in antennas. Unlike home phones‚ cell phones can be carried from place to place with a minimum of fuss. This makes them a good choice for people who want to be in touch with other people even when they are away from the house. Cell phones are a vast improvement over the telecommunications technology of the past‚ and have become a necessity of modern life. As always‚ communication
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