Ipad Information Wikipedia
Where can i find information about Ipad history?
I am doing a project and need information about the history of ipads. I searched and all i could find is wikipedia that has very little information that may not be realiable. I need more information and maybe more reliable, thanks.
This is an edited version the description of the iPad
Apple’s first tablet computer was the Newton MessagePad 100, introduced in 1993, which led to the creation of the ARM6 processor core with Acorn Computers. Apple also developed a prototype PowerBook Duo-based tablet, the PenLite, but decided not to sell it in order to avoid hurting MessagePad sales. Apple released several more Newton-based PDAs; the final one, the MessagePad 2100, was discontinued in 1998.
Apple re-entered the mobile-computing market in 2007 with the iPhone. Smaller than the iPad but featuring a camera and mobile phone, it pioneered the multitouch finger-sensitive touchscreen interface of Apple’s iOS mobile operating system. By late 2009, the iPad’s release had been rumored for several years. Such speculation mostly talked about “Apple’s tablet”; specific names included iTablet and iSlate. The iPad was announced on January 27, 2010, by Steve Jobs at an Apple press conference at the Yerba Buena Center for the Arts in San Francisco.
Jobs later said Apple began developing the iPad before the iPhone, but temporarily shelved the effort upon realizing that its ideas would work just as well as a mobile phone
The iPad’s touchscreen display is a 9.7 in (25 cm) liquid crystal display (1024 × 768 pixels) with fingerprint-resistant and scratch-resistant glass. Steve Jobs backed the choice of screen size, saying a 7-inch screen would be “too small to express the software.” He said 10 inches was the minimum for a tablet screen.[29] Like the iPhone, the iPad is designed to be controlled by bare fingers; normal gloves and styli that prevent electrical conductivity may not be used, although there are special gloves and capacitive styli designed for this use. The display responds to two other sensors: an ambient light sensor to adjust screen brightness and a 3-axis accelerometer to sense iPad orientation and switch between portrait and landscape modes. Unlike the iPhone and iPod touch built-in applications, which work in three orientations (portrait, landscape-left and landscape-right), the iPad built-in applications support screen rotation in all four orientations (the three aforementioned ones along with upside-down),[33] meaning that the device has no intrinsic “native” orientation; only the relative position of the home button changes.
In total there are four physical switches on the iPad, including a home button below the display that returns the user to the main menu, and three plastic physical switches on the sides: wake/sleep and volume up/down, plus a third which, as of iOS 4.2, acts as a mute switch. Initially this switch was utilized to lock out the screen rotation function (reportedly to prevent unintended rotation when the user is lying down). However, with the iOS 4.2 update, this functionality was removed and rotation lock is now controlled with a software toggle via the iOS task switcher. There is no means to reassign the physical switches functionality in the official iOS release.
The iPad can use Wi-Fi network trilateration from Skyhook Wireless to provide location information to applications such as Google Maps. The 3G model contains A-GPS to allow its position to be calculated with GPS or relative to nearby cellphone towers; it also has a black plastic accent on the back side to improve 3G radio sensitivity.
For wired connectivity, the iPad has a proprietary Apple dock connector; it lacks the Ethernet and USB ports of larger computers.
The iPad has two internal speakers that push mono sound through two small sealed channels to the three audio ports carved into the bottom-right of the unit. A volume switch is on the right side of the unit.
A 3.5-mm TRS connector audio-out jack on the top-left corner of the device provides stereo sound for headphones with or without microphones and/or volume controls. The iPad also contains a microphone that can be used for voice recording.
The built-in Bluetooth 2.1 + EDR interface allows wireless headphones and keyboards to be used with the iPad. However, the iOS does not currently support file transfer via Bluetooth. iPad also features 1024 x 768 VGA video output for limited applications, [38]screen capture,[39] connecting an external display or television.
The iPad uses an internal rechargeable lithium-ion polymer battery (LiPo). The batteries are made in Taiwan by Simplo Technology, which makes 60% of them, and Dynapack International Technology. The iPad is designed to be charged with a high current (2 amperes) using the included 10 W USB power adapter. While it can be charged by a standard USB port from a computer, these are limited to 500 milliamperes (half an amp). As a result, if the iPad is turned on while connected to a normal USB computer port, it may charge much more slowly, or not at all. High-power USB ports found in newer Apple computers and accessories provide full charging capabilities.
[iPad-App] Discover – Wikipedia in a Magazine
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