2010年8月9日 星期一

2nd Generation of iphone

The iPhone 3G
 is the second generation of iPhone. It was the successor to the original iPhone, and is succeeded by the iPhone 3GS. Introduced on June 9, 2008 at the WWDC 2008 at the Moscone Center, San Francisco. The 3G was very similar to its predecessor, it contained the same 2 MP camera and did not support video recording, and its performance was limited by the same 128 MB eDRAM memory unit.[10] Nevertheless, the 3G featured several improvements over the original. It supported Assisted GPS and Quad-band UMTS/HSDPA.




A rear view of the original iPhone (left) made of aluminum and plastic, and the iPhone 3G, made entirely from a hard plastic material
 
 
 
 
Release date July 11, 2008 (2008-07-11)
 
 
Power Built-in rechargeable li-ion battery[4]



3.7 V 1150 mAh


CPU Samsung 32-bit RISC ARM 1176JZ(F)-S v1.0[5]


620 MHz


Underclocked to 412 MHz[6]

Storage capacity 8 GB or 16 GB flash memory

Memory 128 MB eDRAM[7]

Display 3.5-inch screen (diagonally)

320-by-480-pixel resolution at 163 ppi

2:3 aspect ratio

18-bit (262,144-color) LCD

Graphics PowerVR MBX Lite 3D GPU[8]

Input Multi-touch touchscreen display

3-axis accelerometer


Proximity sensor


Ambient light sensor


Microphone


Headset controls


Camera 2.0 MP with geotagging


Connectivity Quad-band GSM/GPRS/EDGE


(850 900 1800 1900 MHz)


Quad-band UMTS/HSDPA


(800 850 1900 2100 MHz)


Wi-Fi (802.11b/g)


Bluetooth 2.0


USB 2.0/Dock connector[9]


Online services App Store, iTunes Store, MobileMe


Dimensions 115.5 mm (4.55 in) (h)


62.1 mm (2.44 in) (w)


12.3 mm (0.48 in) (d)


Weight 133 g (4.7 oz)









Reference:Apple offical website 2010,Apple offical website ,ACT,viewed 1 August 2010,

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