Презентация на тему Презентація на тему Mobile phone

the Walkie-Talkie and a large hand-held two-way radio for

the US military. The same technology developed further and produced the mobile phone that we know today.

be the inventor of the first practical mobile phone.

On April 3, 1973, Martin placed a call to rival Joel Engel, head of research at AT&T's Bell Labs, while walking the streets of New York City talking on the first Motorola DynaTAC prototype.

Generation or 1G, were introduced to the public market

in 1983 by the Motorola Company. These first mobile phones used analog technology which was much less reliable than the digital technology we use today.

the mobile phone technology. These phones used Second Generation,

or 2G technology. In 1990, the first cell phone call was made using the new digital technology that became characteristic of this era.

many people currently use in their digital cellular phones

today. This technology was created very soon after the excitement that the 2G technology created. This new technology is not only capable of transferring voice data (such as a phone call), but it is also able to transfer other types of data, including emails, information and instant messages.

the world with Vibrating alert function. It was unveiled

in North America on January 3, 1996. StarTACs remained popular until the early 2000s.

manufactures across the globe and each manufacturing company has

its own brands depending on the marketing and technological demands.
Examples of manufacturing firms and their brands are:

receive telephone calls over a radio link whilst 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.

enjoy their network only when you have their sim

card inserted in your mobile phone.

functioning as more than just communications devices. Mobiles serve

as watches and alarm clocks. Even with the limited free games that come with basic phones, they are already good for "time-pass". They can also function as calculators and . . .

us save them for posterity or transfer them to

others and to computers

record conversations or even brief notes to one self.

replaced the PDA as the complement to the computer.

With a remote desktop application, it also becomes possible to make the mobile phone a window to one's computer.

documents on the cell phone, in the popular MS-Office

file formats.

a WAP and/or HTML browser. Most web sites may

not look great on the small screen, but it is still possible to connect to any web site.

others by using MMS.