2010年8月17日 星期二

iPhone 3GS

The iPhone 3GS is the third generation of iPhone designed and marketed by Apple Inc. It was introduced on June 8, 2009 at the WWDC 2009 which took place at the Moscone Center, San Francisco. Its features primarily consist of faster performance, a camera with higher resolution and video capability, voice control,[9] and support for 7.2 Mbps HSDPA downloading (but remains limited to 384 kbps uploading as Apple had not implemented the HSUPA protocol).[10] It was released in the U.S., Canada and six European countries on June 19, 2009,[2] in Australia and Japan on June 26, and internationally in July and August 2009. The iPhone 3GS runs Apple's iOS operating system, the same operating system as used on previous iPhones, the iPad, and the iPod touch. It is primarily controlled by a user's fingertips on the multi-touch display, which is sensitive to fingertip contact. Without modification, the iPhone restricts users from running any software that is not explicitly approved by Apple and distributed via its App Store. Doing so could potentially cause issues with software functionality which may not be covered under warranty. The iPhone 3GS is preceded by the iPhone 3G and succeeded by the iPhone 4.





Power Built-in rechargeable li-ion battery[4]


3.7 V 1219 mAh

CPU Samsung S5L8920 ARM Cortex-A8[5]

833 MHz

Underclocked to 600 MHz[6]

Storage capacity 8 GB, 16 GB or 32 GB flash memory

Memory 256 MB eDRAM

Display 3.5-inch screen (diagonally)

320-by-480-pixel resolution at 163 ppi

2:3 aspect ratio

24-bit (16.7m-color) LCD

Graphics PowerVR SGX GPU[7]

Input Multi-touch touchscreen display

3-axis accelerometer

Digital compass

Proximity sensor

Ambient light sensor

Microphone

Headset controls

Camera 3.0 MP with video (VGA at 30 fps), geotagging, and automatic focus, white balance, & exposure

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 2.1+EDR

USB 2.0/Dock connector[8]
Reference:Apple offical website 2010,Apple offical website ,ACT,viewed 1 August 2010,

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