Disadvantages and Advantages of Handphone

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Handphone also known as mobile phone or cell phone or smart phone, and is an electronic device used for mobile telecommunications (mobile telephony, text messaging or data transmission) over a cellular network of specialized base stations known as cell sites. Martin Cooper invented the handphone. He is a Motorola researcher and executive. Martin made the first call on a handheld mobile phone on April 3, 1973. Cells for handphone base stations were invented in 1947 by Bell Labs engineers. Handphones generally obtain power from batteries, which can be recharged from a USB port, from portable batteries, from mains power or a cigarette lighter socket in a car using an adapter often called battery charger or wall wart and from a solar panel or a dynamo that can also use a USB port to plug the phone. In addition to the battery, GSM handphones require a small microchip, called a Subscriber Identity Module or SIM Card, to function. Each SIM Card is activated by use of a unique numerical identifier; once activated, the identifier is locked down and the card is permanently locked in to the activating network.

Handphone are a most useful tool. They has an alarm clock, a watch, an internet browser, a personal organizer, a calendar, a camera, a video camera, a voice recorder, a text messages, a GPS device, and a calculator, among other things. Rather than fear this new device, we need to embrace the technology and direct its use to support our mission of developing productive and civil citizens. We need to work to find ways in which to use this tool in class and to encourage the appropriate use of handphones in the same way we work to develop positive use of the Internet and explain the idea of netiquette online. There are many useful applications for mobile devices. Pod casting, live broadcasting, replying in real time to polls and quizzes in class, photo sharing, video sharing, and research online are just some of the ways this tool can be used in class. Handphones are used for a variety of purposes, including keeping in touch with family members, conducting business, and having access to a telephone in the event of an emergency. Some individuals keep multiple handphones in some cases for legitimate reasons such as having one phone for business and another for personal use, though a second handphone may also be used to covertly conduct an affair or illicit business transaction. Child

predators are able to take advantage of handphones to secretly communicate with children without the knowledge of their parents or teachers, which has raised concerns. The most commonly used data application on hand phone is SMS text messaging, with 74% of all handphone users as active users (over 2.4 billion out of 3.3 billion total subscribers at the end of 2007). SMS text messaging was worth over 100 billion dollars in annual revenues in 2007 and the worldwide average of messaging use is 2.6 SMS sent per day per person across the whole handphone subscriber base (source Informed 2007).

Handphone technology has improved drastically in the last few years. Even more drastic improvements and changes are just around the corner. Keeping up with technological advances is not easy, particularly when benefits and drawbacks may not be clear, but it is necessary. Well-thought-out handphone policies enable schools to continue to reflect the society they serve. Digital responsibility and citizenship is a 21st century skill we need to develop within our students. Simply banning handphone from school is taking on a losing battle. I believe that teachers should need to accept the handphone as a part of their students' lives and work to incorporate this new tool into the classroom environment.

The most important advantage of handphones is that we can use them almost everywhere without cables or electricity. By using handphones, you can communicate with everyone whenever you want and wherever you are. Beside this, if there is an urgent...
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