iphone

iphone is also called as the Smartphone in other words because iphone is entitled with the internet to and multimedia. iphone is designed by the Apple inc and marketed by themselves. this world saw the first iphone in june 2007 with the internet which has web browsing capacity same as the personal computer, and multimedia  which  can perform various function such as a i-pod,mp4 player, and also a voice recorder and the camera phone and the touch screen with the virtual keyboard.

There are four invention in the iphone they are as such as original iphone, iphone 3G, iphone 3GS, iphone4

Orignal iphone is like a common GSM phone which is made up of Aluminum, glass and plastic with screen size of 89 mm (3.5 in) glass LCD, 3:2 aspect ratio with 2.0MP camera which is used to take only the picture and with the memory of 128 MB DRAM and the storage capacity of min 4GB to 8Gb .

Second generation is iphone 3g-this iphone is made up of Glass, plastic, and steel with the screen size of 89 mm (3.5 in) glass LCD, 3:2 aspect ratio with 2.0MP camera which is used to take only the picture and the memory of128 MB DRAM and the storage capacity of min 8GB to 16Gb the only feature added to this is the 3G which is commonly used by all the peoples now a days,

The third generation is iphone 3Gs is also  made up of Glass, plastic, and steel with the screen size of 89 mm (3.5 in) glass LCD, 3:2 aspect ratio with camera which is used to take photos and video recording and it has the memory capacity of 256 MB DRAM with the storage capacity of 8GB or16GB or 32GB, the main upgraded features of this is high speed processor to do multifunction at a same time and it has a high resolution camera which can give you the clarity of 3.0mega pixel 30 fps VGA video camera for the video recording, video calling and to use the  video calling application such as skype, and other web cam chat service providers and

the fourth generation is iphone 4 this is the upgraded version of 3Gs which is made up of white and black aluminosilicate glass and stainless steel with the screen size of 89 mm (3.5 in) glass LCD, 3:2 aspect ratio with the additional features like front camera with 0.3MP and rear camera with 5.0MPand 30 fps 720p HD video for video chat and for the video calling and it has the memory capacity of 1 GHz and the storage capacity of  min 32GB and  it has the most high resolution screen with the full touch. This all the four iphone generation has the inbuilt rechargeable battery which is same as like the ipod, it can charge using the USB connectivity of the computer or with the help of USB charger and it has the storage card and sim card slots. And all these iphone are coming with the accessories like ear phone, user manual, USB data cable which is used to charge the battery and to transfers the data.