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Presentation on mobile phones

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Presentation on mobile phones

  1. 1. Mobile phoneThe most friendly technology in the 21stcentury.
  2. 2. Introduction
  3. 3. HISTORYIn 1940s Motorola developed abackpacked two-way radio, theWalkie-Talkie and a large hand-heldtwo-way radio for the US military.The same technology developedfurther and produced the mobilephone that we know today.
  4. 4. Dr. Martin Cooper ofMotorola is consideredto be the inventor of thefirst practical mobilephone. On April 3, 1973,Martin placed a call torival Joel Engel, head ofresearch at AT&Ts BellLabs, while walking thestreets of New York Citytalking on the firstMotorola DynaTACprototype.
  5. 5. The first mobilephones, referred to asFirst Generation or 1G,were introduced to thepublic market in 1983by the MotorolaCompany. These firstmobile phones usedanalog technologywhich was much lessreliable than the digitaltechnology we usetoday.
  6. 6. During the 1990s, greatimprovements weremade in the mobilephone technology.These phones usedSecond Generation, or2G technology. In 1990,the first cell phone callwas made using thenew digital technologythat becamecharacteristic of thisera.
  7. 7. The Third Generationtechnology, or 3G, is whatmany people currently use intheir digital cellular phonestoday. This technology wascreated very soon after theexcitement that the 2Gtechnology created. This newtechnology is not onlycapable of transferring voicedata (such as a phone call),but it is also able to transferother types of data, includingemails, information andinstant messages.
  8. 8. The MotorolaStarTac was the firstphone in the worldwith Vibrating alertfunction. It wasunveiled in NorthAmerica on January3, 1996. StarTACsremained popularuntil the early 2000s.
  9. 9. Mobile manufactures & brandsThere are several mobile phonemanufactures across the globe and eachmanufacturing company has its ownbrands depending on the marketingand technological demands.Examples of manufacturing firms andtheir brands are:
  10. 10. Motorola
  11. 11. Nokia
  12. 12. Sony Ericsson
  13. 13. Samsung
  14. 14. Apple
  15. 15. 2011 Quantity Market Shares by Gartner Percentage4035302520 Percentage1510 5 0 Nokia Samsung Apple LG ZTE Others
  16. 16. How mobile phones workMobile phone can make and receivetelephone calls over a radio linkwhilst moving around a widegeographic area. It does so byconnecting to a cellular networkprovided by a mobile phoneoperator, allowing access to thepublic telephone network.
  17. 17. In Ghana, the mobile phoneoperators include: Vodafone Tigo MTN Airtel Glo ExpressoYou can enjoy their networkonly when you have their simcard inserted in your mobilephone.
  18. 18. Uses Of Mobile PhoneMobile phones have already startedfunctioning as more than justcommunications devices. Mobilesserve as watches and alarm clocks.Even with the limited free gamesthat come with basic phones, theyare already good for "time-pass".They can also function ascalculators and . . .
  19. 19. Digital camera:Point-and-click!Phones capturepictures and let ussave them forposterity ortransfer them toothers and tocomputers
  20. 20. Audio recorder:Mobile phonescan be used torecordconversationsor even briefnotes to oneself.
  21. 21. Computer adjunct: Formany, the cell phonehas replaced the PDA asthe complement to thecomputer. With aremote desktopapplication, it alsobecomes possible tomake the mobile phonea window to onescomputer.
  22. 22. Documentsviewer: It isincreasinglypossible to viewdocuments onthe cellphone, in thepopular MS-Office file
  23. 23. Web client: Phonescan also browsewebsites, via a WAPand/or HTMLbrowser. Most websites may not lookgreat on the smallscreen, but it is stillpossible to connectto any web site.
  24. 24. Multimediamessaging:Everythingrecorded canbe shared withothers by usingMMS.
  25. 25. ConclusionEvery good thing when abused can beharmful, so is mobile phone.Consider when to use it, how to use itand what to use it for and just makesure you benefit fully from the mobilephone you are having because it is thenext biggest technological device everto hit the globe.
  26. 26. References www.wikipedia.org www.thinkdigit.com/Mobiles-and-PDAs www.dialaphone.co.uk letsgodigital.orgo newspaper.limobilephonereviews.org• leicesterdeafclub.co.uk• Presentation by Kofi Asare Mensah

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