Are mobile phones a blessing or a curse? Mobile phones can either be a blessing or a curse; this is determined by the way in which they are used. Since the late 1990’s there has been an increasing amount of concern over whether mobile phones can cause some types of cancer or infertility in men. The first mobile phone was invented by the American scientist‚ Martin Cooper‚ in 1973. Martin Cooper was an executive and researcher at Motorola who are today a major mobile phone producing company.
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Cellular Phones in Society The cellular phone is perhaps one of the greatest innovations known to man. The cellular phone coupled with technological advancements has influenced the lives of people from all lifestyles globally. However‚ the cellular phone has undergone massive evolution over time from the bulky hand-held telephone at its beginning to the hand-held mobile devices it is today. Through evolution the cellular phone has a positive effect on society. The cellular phone started
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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
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I am thinking of adding ‘Mobile Phones and Privacy’. The last part of the series will provide actions you can take to reduce the health risks. All articles will be posted in the coming few weeks. A Short History – The exponential use of mobile phones Almost every adult has a mobile phone‚ and so do many children. Prof. Kenneth J. Rothman‚ one of the world’s leading epidemiologists‚ states the following: Within only a few years a substantial proportion of the world’s population has adopted a new
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Some people say that the mobile phone has been the best technology since the development of the computer. However‚ having a mobile has both pros and cons. On the plus side is that the mobile phone has become popular to everybody since it is very convenient. The most advantage of having a mobile phone is you can communicate to your family and your friends no matter what where you are. For instance‚ you can contact easily to your friends by calling or sending messages everywhere without electricity
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Tuesday 6th January 2015 1. Mobile phones Alarm Skyping/ video calling Taking videos and pictures Instant and social messaging Internet and GPS 2. Portable devices such as‚ netbooks‚ laptops and PDAs Useable for business Internet Instant and social media/ messaging PDAs – telephone and faxing Location and Navigator 3. Email and instant messaging Communication Sending files/ documents Check inbox and sort use and junk emails Advertising WhatsApp 4. The internet Downloading and uploading
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Cell Phones: A Revolution for our Ears The first idea of the cellular phone was concocted in 1947‚ however it was not until 1983 that cell phone service was first offered to US consumers. (Calem‚ 1). A Gartner report indicates that at the decade’s end‚ cell phone owners will make up almost 40 percent of the world’s population. (Charny‚ 1). The number of services now available on an individual’s cell phone in the year 2007 can be intimidating for a consumer that just wants to make a call from
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“Mobile Phones are a Menace” In this day and age there is no doubt that the capability of mobile phones is simply astounding. However‚ despite the simplicity and convenience of communication due to the capabilities of modern mobile phones‚ they have proven to be a menace to society. This is in large part due to the distraction that they play and the laziness that they encourage. These negative side affects have been witnessed in the workplace‚ schools and even worse‚ whilst driving vehicles.
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electrical energy from mobile phone batteries? Chemical energy is converted in to electrical energy from a mobile phone battery 2.What is sound energy from your voice converted to inside a mobile phone for transmission from the phone to a cell tower? The sound energy is first converted in to electrical energy by its batteries and then converted in to microwaves by the phones antenna and then it is sent to the nearest cell tower at a particular frequency. 3.A cell tower boosts a radio wave
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are…………………………. Our presentation topic for today is about mobile phones. As we all knows‚ mobile phones is a device that we can bring anywhere because it is a small gadgets. It has a lot of uses. A mobile phone allows its user to 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. A key feature of the cellular network
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