iPad

line o tablet computers designed an mercatit bi Apple Inc., which runs Apple's iPadOS

iPad (/ˈpæd/ EYE-pad) is a line o tablet computers designed an mercatit bi Apple Inc., which runs Apple's iOS. The first iPad wis released on Aprile 3, 2010; the maist recent iPad models, the iPad Air an seicont generation iPad Mini, wur revealed on October 22, 2013 an went on sale November 1, 2013, an November 12, 2013, respectively. The uiser interface is biggit aroond the device's multi-touch screen, includin a virtual keyboard. The iPad haes biggit-in Wi-Fi an, on some models, cellular connectivity.

iPad
The iPad Air
DeveloperApple Inc.
ManufacturerFoxconn (on contract[1])
TypeTablet computer
Release date1st generation:
3 Apryle 2010 (2010-04-03) (Wi-Fi)[2][3]
30 Apryle 2010 (2010-04-30) (Wi-Fi + 3G)[4]
28 Mey 2010 (2010-05-28) (Internaitional)
2:
11 Mairch 2011 (2011-03-11) (Unitit States)
25 Mairch 2011 (2011-03-25) (Internaitional)
3rd generation:
16 Mairch 2012 (2012-03-16)
4t generation & Mini 1st generation:
2 November 2012 (2012-11-02)
Air:
1 November 2013 (2013-11-01)
Mini 2nt generation:
12 November 2013 (2013-11-12)
Units sauld170 million (as o October 2013) [5]
Operatin seestem1st generation: iOS 5.1.1
2, 3rd & 4th generation, Air, Mini 1st & 2nd generation: iOS 7.0.4, released 14 November 2013 (2013-11-14)
PouerBiggit-in rechargeable Li-Po battery
25 W⋅h (90 kJ), 10hr life[6]
Seestem-on-chip uised1st generation: Apple A4
2: Apple A5
3rd generation: Apple A5X
4t generation: Apple A6X
Air: Apple A7
Mini 1st generation: Apple A5
Mini 2nd generation: Apple A7
CPU1st generation:
1 GHz ARM Cortex-A8[6][7]
2:
1 GHz dual-core ARM Cortex-A9
3rd generation:
1 GHz dual-core ARM Cortex-A9
4t generation:
1.4 GHz dual-core Apple A6X
Air:
1.4 GHz dual-core Apple A7
Mini 1st generation:
1 GHz dual-core ARM Cortex-A9
Mini 2nt generation:
unknown
Storage capacity16, 32, 64, or 128 GB flash memory[6][8]
Memory1st generation:
256 MB DDR RAM[9]
2:
512 MB DDR2 RAM[10]
3rd & 4t generation:
1024 MB LPDDR2 RAM[11]
Air:
1024 MB LPDDR3 RAM
Mini 1st generation:
512 MB DDR2 RAM
Mini 2nd generation:
1024 MB LPDDR3 RAM
Display1st generation & 2:
1024×768 px (132 PPI, 4:3 aspect ratio, 9.7 in (250 mm) diagonal XGA, LED-backlit IPS LCD)[6]
3rd & 4th generation, & Air:
2048×1536 px (264 PPI)
Mini 1st generation:
1024×768 px (163 PPI, 7.9 in (200 mm) diagonal)
Mini 2nd generation:
2048×1536 px (326 PPI, 7.9 in (200 mm) diagonal)
Graphics1st generation:
PowerVR SGX535[12]
2:
Dual-core PowerVR SGX543MP2[13]
3rd generation:
Quad-core PowerVR SGX543MP4
4t generation:
Quad-core PowerVR SGX554MP4
Air:
Quad-core PowerVR G6430
Mini 1st generation:
Dual-core PowerVR SGX543MP2
Mini 2nt generation:
Quad-core PowerVR G6430
InputMulti-touch screen, headset controls, proximity and ambient light sensors, 3-axis accelerometer, digital compass
2 added: 3-axis gyro
Camera1st generation: None
2: VGA Front-facin an 720p rear-facin
3rd generation: VGA Front-facin an 5 megapixels rear-facin
4t generation, Air, Mini 1st & 2nt generation: 720p Front-facin an 5 megapixels rear-facin
Connectivity
Online servicesiTunes Store, App Store, iCloud, iBookstore
Dimensions1st generation:
9.56 in (243 mm) (h)
7.47 in (190 mm) (w)
0.50 in (13 mm) (d)
2:
9.50 in (241 mm) (h)
7.31 in (186 mm) (w)
0.34 in (8.6 mm) (d)
3rd & 4th generation:
9.50 in (241 mm) (h)
7.31 in (186 mm) (w)
0.37 in (9.4 mm) (d)
Air:
9.40 in (239 mm) (h)
6.6 in (170 mm) (w)
0.29 in (7.4 mm) (d)
Mini 1st generation:
7.87 in (200 mm) (h)
5.3 in (130 mm) (w)
0.28 in (7.1 mm) (d)
Mini 2nd generation:
7.87 in (200 mm) (h)
5.31 in (135 mm) (w)
0.29 in (7.4 mm) (d)
Wicht1st generation Wi-Fi:

1.5 lb (680 g)
1st generation Wi-Fi + 3G:
1.6 lb (730 g)[6]
2 Wi-Fi:
1.325 lb (601 g)
2 GSM 3G (AT&T/global):
1.351 lb (613 g)
2 CDMA 3G (Verizon):
1.338 lb (607 g)
3rd generation Wi-Fi:
1.44 lb (650 g)
3rd generation Wi-Fi + 4G (LTE):
1.46 lb (660 g)
4t generation Wi-Fi:
1.44 lb (650 g)
4t generation Wi-Fi + 4G (LTE):
1.46 lb (660 g)
Air Wi-Fi:
1.034 lb (469 g)
Air Wi-Fi + Cellular:
1.054 lb (478 g)
Mini 1st generation Wi-Fi:
0.68 lb (310 g)
Mini 1st generation Wi-Fi + 4G (LTE):
0.69 lb (310 g)
Mini 2nt generation Wi-Fi:
0.73 lb (330 g)
Mini 2nt generation Wi-Fi + Cellular:

0.75 lb (340 g)
Relatit airticlesiPhone, iPod Touch (Comparison)
Wabsteidapple.com/ipad

References

eedit
  1. Wagner, Wieland (28 Mey 2010). "iPad Factory in the Firing Line: Worker Suicides Have Electronics Maker Uneasy in China". Der Spiegel. Retrieved 31 Mey 2010.
  2. Buchanan, Matt (5 Mairch 2010). "Official: iPad Launching Here April 3, Pre-Orders March 12". Gizmodo. Gawker Media. Archived frae the original on 23 October 2010. Retrieved 4 Mairch 2010.
  3. "iPad Available in US on April 3" (Press release). Apple. 5 Mairch 2010. Retrieved 5 Mairch 2010.
  4. "iPad Wi-Fi + 3G Models Available in US on April 30" (Press release). Apple. 20 Apryle 2010. Retrieved 20 Apryle 2010.
  5. Nathan Ingraham (22 October 2013). "Apple has sold 170 million iPads since it launched in April 2010". The Verge. Retrieved 23 October 2013.
  6. a b c d e "iPad – Technical specifications and accessories for iPad". Apple Inc. 27 Januar 2010. Retrieved 27 Januar 2010.
  7. Crothers, Brooke (27 Januar 2010). "Inside the iPad: Apple's new 'A4' chip". CNET. CBS Interactive. Archived frae the original on 10 November 2013. Retrieved 27 Januar 2010.
  8. Murphy, Samantha (5 Februar 2013). "Apple's 128GB iPad Now on Sale". Mashable. Retrieved 6 Mairch 2013.
  9. Djuric, Miroslav (3 Apryle 2010). "iPad Wi-Fi Teardown". Ifixit.com. p. 2. Retrieved 17 Apryle 2010.
  10. "iPad 2 Wi-Fi Teardown". iFixit. Retrieved 12 Mairch 2011.
  11. "iPad 3 teardown – iFixit – Page 3". iFixit. Retrieved 16 Mairch 2012.
  12. Djuric, Miroslav (3 Apryle 2010). "Apple A4 Teardown". iFixit. Retrieved 17 Apryle 2010.
  13. "Apple iPad 2 GPU Performance Explored PowerVR SGX543MP2 Benchmarked". Anandtech. Retrieved 12 Mairch 2011.