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IPad (9th Generation)
The iPad 10.2-inch (officially iPad (9th generation), also referred as iPad 9) is a tablet computer developed and marketed by Apple Inc. as the successor to the eighth-generation iPad. It was announced on September 14, 2021. Features The ninth-generation iPad has the same design as the seventh- and eighth-generation iPads, although all color options now come with a black screen bezel, and the gold option has been removed. It is compatible with the Apple Pencil (1st generation), and the Smart Keyboard and Smart Connector for keyboard attachments. It uses the Apple A13 Bionic chip, which Apple claims gives a 20% CPU, GPU, and Neural Engine increase in performance compared to its predecessor. It features a 10.2-inch retina display identical to the previous models, with 1620 by 2160 pixels at a density of 264 PPI, and includes True Tone technology, meaning the display can adjust its color temperature based on the surrounding lighting temperature. A new 12 MP front camera is f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Apple Inc
Apple Inc. is an American multinational technology company headquartered in Cupertino, California, United States. Apple is the largest technology company by revenue (totaling in 2021) and, as of June 2022, is the world's biggest company by market capitalization, the fourth-largest personal computer vendor by unit sales and second-largest mobile phone manufacturer. It is one of the Big Five American information technology companies, alongside Alphabet, Amazon, Meta, and Microsoft. Apple was founded as Apple Computer Company on April 1, 1976, by Steve Wozniak, Steve Jobs and Ronald Wayne to develop and sell Wozniak's Apple I personal computer. It was incorporated by Jobs and Wozniak as Apple Computer, Inc. in 1977 and the company's next computer, the Apple II, became a best seller and one of the first mass-produced microcomputers. Apple went public in 1980 to instant financial success. The company developed computers featuring innovative graphical user inter ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Magnetometer
A magnetometer is a device that measures magnetic field or magnetic dipole moment. Different types of magnetometers measure the direction, strength, or relative change of a magnetic field at a particular location. A compass is one such device, one that measures the direction of an ambient magnetic field, in this case, the Earth's magnetic field. Other magnetometers measure the magnetic dipole moment of a magnetic material such as a ferromagnet, for example by recording the effect of this magnetic dipole on the induced current in a coil. The first magnetometer capable of measuring the absolute magnetic intensity at a point in space was invented by Carl Friedrich Gauss in 1833 and notable developments in the 19th century included the Hall effect, which is still widely used. Magnetometers are widely used for measuring the Earth's magnetic field, in geophysical surveys, to detect magnetic anomalies of various types, and to determine the dipole moment of magnetic materials. In an air ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Game Center
Game Center is a service by Apple that allows users to play and challenge friends when playing online multiplayer social gaming network games. Games can now share multiplayer functionality between the Mac and iOS versions of the app. Game Center can be implemented by developers as of iOS 4.1 or later, and macOS 10.12 or later, through the GameKit framework. Game Center is available on iPod Touch 2nd generation and later (iOS 4.1 or higher required); iPhone 3GS and later (iOS 4.1 or higher required); all models of the iPad (iOS 4.2 or higher required); Mac computers running macOS 10.12 Sierra or later, Apple TV 4 running tvOS, and Apple Watch running watchOS 3. History Gaming became a significant part of the iOS platform when Apple launched the App Store on July 10, 2008. Unlike the console systems that were currently on the market, Apple had no unified multiplayer and social structure for their platform. This gap was soon filled by third parties, such as OpenFeint, Plus ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ICloud
iCloud is a Personal cloud, cloud service from Apple Inc. launched on October 12, 2011 as a successor to MobileMe. , the service had an estimated 850 million users, up from 782 million users in 2016. iCloud enables users to sync their data to the Cloud computing, cloud, including mail, contacts, calendars, photos, notes and files, to collaborate on documents, backup an iPhone or iPad, and track lost devices. It is built into iOS, iPadOS, and macOS, and a more limited version can be downloaded for Microsoft Windows, Windows. In December 2022, Apple announced an upcoming option to enable end-to-end encryption for iCloud Backups, Photos, Notes, and more. History iCloud was announced on May 31, 2011 in a press release. On June 6, 2011, during the WWDC 2011 keynote, Steve Jobs announced that iCloud would replace MobileMe, which had been widely seen as a "failure", a fact which Steve Jobs acknowledged during the announcement. iCloud was released on October 12, 2011, and MobileMe was ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IBookstore
Apple Books (formerly known as iBooks between January 2010 and September 2018) is an e-book reading and store application by Apple Inc. for its iOS and macOS operating systems and devices. It was announced, under the name iBooks, in conjunction with the iPad on January 27, 2010, and was released for the iPhone and iPod Touch in mid-2010, as part of the iOS 4 update. Initially, iBooks was not pre-loaded onto iOS devices, but users could install it free of charge from the iTunes App Store. With the release of iOS 8, it became an integrated app. On June 10, 2013, at the Apple Worldwide Developers Conference, Craig Federighi announced that iBooks would also be provided with OS X Mavericks in fall 2013. It primarily receives EPUB content from the Apple Books store, but users can also add their own EPUB and Portable Document Format (PDF) files via data synchronization with iTunes. Additionally, the files can be downloaded to Apple Books through Safari or Apple Mail. It is also capab ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ITunes Store
The iTunes Store is a digital media store operated by Apple Inc. It opened on April 28, 2003, as a result of Steve Jobs' push to open a digital marketplace for music. As of April 2020, iTunes offered 60 million songs, 2.2 million apps, 25,000 TV shows, and 65,000 films. When it opened, it was the only legal digital catalog of music to offer songs from all five major record labels. The iTunes Store is available on most Apple devices, including the Mac (inside the Music app), the iPhone, the iPad, the iPod touch, and the Apple TV, as well as on Windows (inside iTunes). Video purchases from the iTunes Store are viewable on the Apple TV app on Roku and Amazon Fire TV devices and certain smart televisions. While initially a dominant player in digital media, by the mid-2010s, streaming media services were generating more revenue than the buy-to-own model used by the iTunes Store. Apple now operates its own subscription-based streaming music service, Apple Music alongside the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
App Store (iOS)
The App Store is an app store platform, developed and maintained by Apple Inc., for mobile apps on its iOS and iPadOS operating systems. The store allows users to browse and download approved apps developed within Apple's iOS Software Development Kit. Apps can be downloaded on the iPhone, iPod Touch, or the iPad, and some can be transferred to the Apple Watch smartwatch or 4th-generation or newer Apple TVs as extensions of iPhone apps. The App Store was opened on July 10, 2008, with an initial 500 applications available. The number of apps peaked at around 2.2 million in 2017, but declined slightly over the next few years as Apple began a process to remove old or 32-bit apps that do not function as intended or that do not follow current app guidelines. , the store features more than 1.8 million apps. While Apple touts the role of the App Store in creating new jobs in the "app economy" and claims to have paid over $155 billion to developers, the App Store has also attrac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IPad (8th Generation)
The iPad 10.2-inch (officially iPad (8th generation)) is a tablet computer developed and marketed by Apple Inc. as the successor to the 7th-generation iPad. It was announced on September 15, 2020 and released on September 18, 2020. Features The eighth-generation iPad uses the same design as the seventh-generation iPad, with a 10.2-inch screen with 1620 by 2160 pixels at a pixel density of 264-pixel PPI, Touch ID support, and compatibility with the Smart Connector. It uses the Apple A12 Bionic chip, which Apple claims provides a 40% faster 6-core CPU and a 2x faster 4 core GPU compared to the processor of the previous generation. It is the first iPad tablet that includes a Neural Engine, a component introduced with the A11 processor. It is the final iPad tablet available with white bezels on the Silver and Gold models; all iPad (9th generation) tablets come with black bezels. The eighth-generation iPad is compatible with the first-generation Apple Pencil, the Smart Keyboa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IR Filter
Infrared cut-off filters, sometimes called IR filters or heat-absorbing filters, are designed to reflect or block near-infrared wavelengths while passing visible light. They are often used in devices with bright incandescent light bulbs (such as slide and overhead projectors) to prevent unwanted heating. There are also filters which are used in solid state ( CCD or CMOS) video cameras to block IR due to the high sensitivity of many camera sensors to near-infrared light. These filters typically have a blue hue to them as they also sometimes block some of the light from the longer red wavelengths. IR transmitting/passing filters in photography In contrast to the naming convention of optical filters where the name of the filter denotes the wavelengths that are blocked, and in line with the convention for air filters and oil filters, photographic filters are named for the color of light they ''pass''. Thus a blue filter makes the picture look blue. A ''blue filter'' marginally allo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ISight
iSight is a brand name used by Apple Inc. to refer to cameras on various devices. The name was originally used for the external iSight webcam, which retailed for US$149, connected to a computer via a FireWire cable, and came with a set of mounts to place it atop any then current Apple display, laptop computer, all-in-one desktop computer, or flat surface. Apple introduced iSight at the 2003 Worldwide Developers Conference, and It was intended to be used with iChat AV, Apple's video-conferencing client. iMovie (version 4 and later) could also be used to capture video from the device. In April 2005, Apple released a firmware update for the iSight to improve audio performance. As of October 13, 2008, the external iSight was no longer for sale in the Apple online store or in retail locations. Meanwhile, Apple began using the term to refer to the camera built into Apple's iMac, MacBook, MacBook Air, and MacBook Pro computers, Thunderbolt Display, and Cinema Display. In November 2 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Barometer
A barometer is a scientific instrument that is used to measure air pressure in a certain environment. Pressure tendency can forecast short term changes in the weather. Many measurements of air pressure are used within surface weather analysis to help find surface troughs, pressure systems and frontal boundaries. Barometers and pressure altimeters (the most basic and common type of altimeter) are essentially the same instrument, but used for different purposes. An altimeter is intended to be used at different levels matching the corresponding atmospheric pressure to the altitude, while a barometer is kept at the same level and measures subtle pressure changes caused by weather and elements of weather. The average atmospheric pressure on the earth's surface varies between 940 and 1040 hPa (mbar). The average atmospheric pressure at sea level is 1013 hPa (mbar). Etymology The word ''barometer'' is derived from the Ancient Greek (), meaning "weight", and (), meaning "measure ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fingerprint Reader
Fingerprint scanners are security systems of biometrics. They are used in police stations, security industries, smartphones, and other mobile devices. Function Everyone has patterns of friction ridges on their fingers, and it is this pattern that is called the fingerprint. Fingerprints are uniquely detailed, durable over an individual's lifetime, and difficult to alter. Because there are countless combinations, fingerprints have become an ideal means of identification. Types of fingerprint scanners There are four types of fingerprint scanners: optical scanners, capacitance scanners, ultrasonic scanners, and thermal scanners. The basic function of every type of scanner is to obtain an image of a person's fingerprint and find a match for it in its database. The measure of the fingerprint image quality is in dots per inch (DPI). # Optical scanners take a visual image of the fingerprint using a digital camera. # Capacitive or CMOS scanners use capacitors and thus electrical current ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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