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IPad (8th Generation)
The iPad (8th generation) (also referred to as the iPad 10.2-inch 2020) 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 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 model in Apple's entry level iPad lineup to include 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-gene ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IPad (6th Generation)
The iPad (6th generation) (also referred to as the iPad 9.7-inch) is a tablet computer 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 fifth-generation iPad, upgraded with the Apple A10 Fusion processor 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, and had the iWork suite of apps pre-installed and included Apple Pencil stylus support. The iPad supports up to iPadOS 17, and does not support iPadOS 18. In June 2025, a developer on GitHub unofficially ported iPadOS 18 to the iPad. 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 upg ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Proximity Sensor
A proximity sensor (often simply prox) is a sensor able to detect the presence of nearby objects without any physical contact. A proximity sensor often emits an Electromagnetic field, electromagnetic field or a beam of electromagnetic radiation (infrared, for instance), and looks for changes in the electric field, field or return signal. The object being sensed is often referred to as the proximity sensor's target. Different proximity sensor targets demand different sensors. For example, a capacitive proximity sensor or photoelectric sensor might be suitable for a plastic target; an inductive sensor, inductive proximity sensor always requires a metal target. Proximity sensors can have a high reliability and long functional life because of the absence of mechanical parts and lack of physical contact between the sensor and the sensed object. Proximity sensors are also used in machine vibration monitoring to measure the variation in distance between a shaft and its support beari ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IPad Air (3rd Generation)
The iPad Air (3rd generation) (colloquially referred to as iPad Air 3) is a tablet computer developed and marketed by Apple Inc. Apple Inc. is an American multinational corporation and technology company headquartered in Cupertino, California, in Silicon Valley. It is best known for its consumer electronics, software, and services. Founded in 1976 as Apple Comput ... It was announced and released on March 18, 2019, alongside the iPad Mini (5th generation), 5th-generation iPad Mini. The device was released five years after the previous iPad Air 2, as the iPad (5th generation) was released in 2017 as the successor to the iPad (4th generation) released in 2012. The entry-level iPad lineup continued starting iPad (6th generation) released in 2018, while the third generation iPad Air was positioned as an iPad Air lineup. Its case design is identical to the IPad Pro#Second generation, iPad Pro 10.5 inch; internal hardware includes an upgraded Apple A12 Bionic SoC, a 1 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IPad (7th Generation)
The iPad (7th generation) (also referred to as the iPad 10.2-inch) is a tablet computer developed and marketed by Apple Inc. It featured a Retina display and is powered by the Apple A10 Fusion processor. It was the successor to the 6th-generation iPad. The device was revealed on September 10, 2019, and released on September 25, 2019. The device had support for the first generation Apple Pencil and a smart keyboard connector and was targeted towards the budget and educational markets. Unlike previous iPad models, which had a display, the device was the first in the entry-level iPad lineup to feature a larger display size. Its successor, the eighth-generation iPad, was revealed on September 15, 2020. Because the A10 Fusion processor did not have any neural engine cores, this was the last currently supported iPad without a neural engine. Following the announcement at Apple's WWDC 2025, the seventh-generation iPad no longer supports the major software update starting wit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ISight
iSight is a brand name used by Apple Inc. to refer to webcams 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 round 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 Novem ... [...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 Trough (meteorology), troughs, pressure systems and weather front, 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 ''wikt:barometer, barometer'' is derived from the Ancient Gr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fingerprint Reader
Fingerprint scanners are a type of biometric security device that identify an individual by identifying the structure of their fingerprints. They are used in police stations, security industries, smartphones, and other mobile devices. Fingerprints People have patterns of friction ridges on their fingers, these patterns are called the fingerprints. Fingerprints are uniquely detailed, durable over an individual's lifetime, and difficult to alter. Due to the unique combinations, fingerprints have become an ideal means of identification. Types of fingerprint scanners There are four types of fingerprint scanners: # Optical scanners take a visual image of the fingerprint using a digital camera. # Capacitive or CMOS scanners use capacitors and thus electric current to form an image of the fingerprint. This type of scanner tends to excel in terms of precision. # Ultrasonic fingerprint scanners use high frequency sound waves to penetrate the epidermal (outer) layer of the skin. # T ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Touch ID
Touch ID is an electronic fingerprint recognition feature designed and released by Apple Inc. History In 2012, Apple acquired AuthenTec, a company focused on fingerprint-reading and identification management software, for $356 million. The acquisition led commentators to expect a fingerprint reading feature. Following leaks and speculation in early September the next year, the iPhone 5s was unveiled on September 10, 2013, and was the first phone on a major US carrier to feature the technology. Apple's Vice president, Vice President of Marketing, Phil Schiller, announced the feature at Apple's iPhone media event and spent several minutes (the major portion of the conference) discussing the feature. Wells Fargo analyst Maynard Um predicted on September 4, 2013, that a fingerprint sensor in the iPhone 5s would help mobile commerce and boost adoption in the corporate environment. Um said,"As consumers increasingly rely on mobile devices to transact and store personal data, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Microphone
A microphone, colloquially called a mic (), or mike, is a transducer that converts sound into an electrical signal. Microphones are used in many applications such as telephones, hearing aids, public address systems for concert halls and public events, motion picture production, live and recorded audio engineering, sound recording, two-way radios, megaphones, and radio and television broadcasting. They are also used in computers and other electronic devices, such as mobile phones, for recording sounds, speech recognition, Voice over IP, VoIP, and other purposes, such as Ultrasonic transducer, ultrasonic sensors or knock sensors. Several types of microphone are used today, which employ different methods to convert the air pressure variations of a sound wave to an electrical signal. The most common are the dynamic microphone, which uses a coil of wire suspended in a magnetic field; the condenser microphone, which uses the vibrating Diaphragm (acoustics), diaphragm as a capacitor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Compass
A compass is a device that shows the cardinal directions used for navigation and geographic orientation. It commonly consists of a magnetized needle or other element, such as a compass card or compass rose, which can pivot to align itself with North magnetic pole, magnetic north. Other methods may be used, including gyroscopes, magnetometers, and GPS receivers. Compasses often show angles in degrees: north corresponds to 0°, and the angles increase clockwise, so east is 90°, south is 180°, and west is 270°. These numbers allow the compass to show azimuths or bearing (angle), bearings which are commonly stated in degrees. If local magnetic declination, variation between magnetic north and true north is known, then direction of magnetic north also gives direction of true north. Among the Four Great Inventions, the magnetic compass was first invented as a device for divination as early as the history of science and technology in China, Chinese Han dynasty (since c. 206 BC),#Li, ... [...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 invention of the magnetometer is usually credited to Carl Friedrich Gauss in 1832. Earlier, more primitive instruments were developed by Christopher Hansteen in 1819, and by William Scoresby by 1823. 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 aircraft's attitude and heading ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
