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IPad (2019)
The iPad 10.2-inch (officially iPad (7th generation)) is a tablet computer developed and marketed by Apple Inc. It features a 10.2-inch Retina display and is powered by the Apple A10 Fusion processor. It is the successor to the 9.7-inch IPad (6th generation), 6th-generation iPad. The device was revealed on September 10, 2019, and released on September 25, 2019. It has support for the first generation Apple Pencil and has a smart keyboard connector. It is targeted towards the budget and educational markets. Unlike previous iPad models, which have a 9.7-inch display, the device is the first in the entry-level iPad lineup to feature a larger 10.2-inch display size. Its successor, the IPad (8th generation), eighth-generation iPad, was revealed on September 15, 2020, and it has replaced this iPad. History Rumors centering around a successor to the 2018 iPad began to surface in the first half of 2019, when seven iPad models were registered on the Eurasian Economic Commission, a dat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IPad (5th Generation)
The iPad 9.7-inch (officially iPad (5th generation)) is a tablet computer designed, developed, and marketed by Apple Inc. After its announcement on March 21, 2017, conflicting naming conventions spawned a number of different names, including "seventh-generation iPad" or "iPad (2017)". It is the five years core iPad tablet successor to the iPad (4th generation) where the 2013 iPad Air was released as the first iPad to be exclusive on the iPad Air lineup instead. Unlike the iPad Air 2, this iPad does not have a fully laminated display, and also lacks an anti-reflective coating. On March 27, 2018, Apple announced its successor, the sixth-generation iPad. This also marked the discontinuation of the 2017 iPad. History This iPad model was announced by Apple on March 24, 2017 in a press release. There has been confusion around its naming, being referred to as just "iPad" in marketing, but called the "fifth-generation iPad" in official statements and specifications sheets, a tit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Low-key Lighting
Low-key lighting is a style of lighting for photography, film or television. It is a necessary element in creating a chiaroscuro effect. Traditional photographic lighting (three-point lighting) uses a key light, a fill light and a back light for illumination. Low-key lighting often uses only a key light, optionally controlled with a fill light or a simple reflector. Low key light accentuates the contours of the subject by throwing areas into shade while a fill light or reflector may illuminate the shadow areas to control contrast. The relative strength of key-to-fill, known as the lighting ratio, can be measured using a light meter. Low key lighting has a higher lighting ratio, e.g., 8:1, than high-key lighting, which can approach 1:1. The term "low key" is also used in cinematography and photography to refer to any scene with a high lighting ratio, especially if there is a predominance of shadowy areas. It tends to heighten the sense of alienation felt by the viewer, hence ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Verge
''The Verge'' is an American technology news website operated by Vox Media, publishing news, feature stories, guidebooks, product reviews, consumer electronics news, and podcasts. The website launched on November 1, 2011, and uses Vox Media's proprietary multimedia publishing platform Chorus. In 2014, Nilay Patel was named editor-in-chief and Dieter Bohn executive editor; Helen Havlak was named editorial director in 2017. ''The Verge'' won five Webby Awards for the year 2012 including awards for Best Writing (Editorial), Best Podcast for ''The Vergecast'', Best Visual Design, Best Consumer Electronics Site, and Best Mobile News App. History Origins Between March and April 2011, up to nine of ''Engadget''s writers, editors, and product developers, including editor-in-chief Joshua Topolsky, left AOL, the company behind that website, to start a new gadget site. The other departing editors included managing editor Nilay Patel and staffers Paul Miller, Ross Miller, Joann ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IPad (6th Generation)
The iPad 9.7-inch (officially iPad (6th generation)) is a tablet computer designed, developed, and marketed by Apple Inc. It was announced on March 27, 2018, during an education-focused event at Lane Tech High School in Chicago and is the successor to the 5th generation, upgraded with the Apple A10 Fusion SoC and support for styluses such as Apple Pencil. The iPad is also marketed towards educators and schools. It was replaced in September 2019, by the seventh-generation iPad. This is the last iPad to have the original 9.7 inch display. Specifications The iPad shipped with iOS 11.3, and had the iWork suite of apps preinstalled and included Apple Pencil stylus support. The iPad's hardware is nearly identical to the previous generation, except for a few upgrades, such as Apple Pencil and stylus support and an upgraded processor, the Apple A10 Fusion. It is available in three colors: Silver, Space Gray, and a new Gold color to match the updated color introduced with the i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tablet Computer
A tablet computer, commonly shortened to tablet, is a mobile device, typically with a mobile operating system and touchscreen display processing circuitry, and a rechargeable battery in a single, thin and flat package. Tablets, being computers, do what other personal computers do, but lack some input/output (I/O) abilities that others have. Modern tablets largely resemble modern smartphones, the only differences being that tablets are relatively larger than smartphones, with screens or larger, measured diagonally, and may not support access to a cellular network. Unlike laptops which have traditionally run off operating systems usually designed for desktops, tablets usually run mobile operating systems, alongside smartphones. The touchscreen display is operated by Gesture recognition, gestures executed by finger or digital pen (stylus), instead of the Computer mouse, mouse, touchpad, and Keyboard (computing), keyboard of larger computers. Portable computers can be classifie ... [...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] |
IPad (6th Generation)
The iPad 9.7-inch (officially iPad (6th generation)) is a tablet computer designed, developed, and marketed by Apple Inc. It was announced on March 27, 2018, during an education-focused event at Lane Tech High School in Chicago and is the successor to the 5th generation, upgraded with the Apple A10 Fusion SoC and support for styluses such as Apple Pencil. The iPad is also marketed towards educators and schools. It was replaced in September 2019, by the seventh-generation iPad. This is the last iPad to have the original 9.7 inch display. Specifications The iPad shipped with iOS 11.3, and had the iWork suite of apps preinstalled and included Apple Pencil stylus support. The iPad's hardware is nearly identical to the previous generation, except for a few upgrades, such as Apple Pencil and stylus support and an upgraded processor, the Apple A10 Fusion. It is available in three colors: Silver, Space Gray, and a new Gold color to match the updated color introduced with the i ... [...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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