Handphone and Vehicle

In general, in everyday life humans can hardly escape from mobile phones. Especially with the development of mobile phones so that mobile phones have various functions at once. Not only as a communication tool but has developed into a tool with other functions such as entertainment media, business media, and so on we now know the term smartphone.

     We also need to know its history because the cellphones that we use now are not created intantly, handphone continues to develop since the beginning of its emergence. The first mobile phone is far from what we can use today. But wihtoutthe first handphone, of course there will be no technology that is very useful for humans to communicate now. Martin Cooper was the first inventor of the mobile phone system, he is an employes of the Motorola company. He found a cellphone for 1973. some said that the inventor of the cellphone was not only Martin Cooper but also all team members from the division who were with him. The first type of handphone is Dyna Tac. The idea of this type was coined by Cooper, where the tool can be carried anywhere in a flexible way.

     The first mobile phone weighs up to 2 kg and it requires a cost equivalent to Rp.90 million to produce it. The weight and cost are certainly very different from now. But that’s not all the challenge. In fact, the challenge is to adapt the infrastructure related to the network. Martin Cooper  is not the only role figure, there are also other figures who play a role in developing cellphone or mobile phone technology. The figure who also contributed to the development of cellphone is Amos Jpel. This character focuses on the switching side. Switching for cellphones connects from one place to another so that mobile users can move from one cell to another without breaking up. Furthermore, mobile phones continue to grow both from their smaller and from the more complete feature.

     The main function of mobile phones is as a means of communication through voice and short massages. Then the cellphone functions to capture radio broadcasts, television, also equipped with audio, camera, video, game, and internet service function. Now hanphone even has a function similar to a computer device. But in essence the definition of mobile phones is as a telecommunications device so that its main function is to communication both through voice and short massages.

A vechicle is a transportastion, both driven by machinery and by living things. These vechiles are usually man-made, for example: cars, motorcycle, ships, and planes in the presence of a vechicle or transportation, we can just go away. Vechicles also experience various changes from time to time. In the era of a very changing vechicle equipped with advanced technology, so that it is very easy for humans to travel.

Questions

1.what are the uses of cellphones for humans?

2.what is the function of the cellphone?

3.who created the cellphone for the first time?

4.how many years did Martin Cooper find a cellphone?

5.how much is the price of the cellphone first made?