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IPhone 4

Index IPhone 4

The iPhone 4 is a smartphone that was designed and marketed by Apple Inc. Following a number of notable leaks, the iPhone 4 was first unveiled on June 7, 2010, at Apple's Worldwide Developers Conference in San Francisco, and was released on June 24, 2010, in the United States, United Kingdom, France, Germany and Japan. [1]

195 relations: Accelerometer, Active noise control, Aircel, Aircraft principal axes, AirDrop, AirPlay, Aluminosilicate, AnandTech, Apple A4, Apple community, Apple Inc., Apple Maps, Apple Store, Apple Worldwide Developers Conference, ARM architecture, ARM Cortex-A8, Ars Technica, AT&T, AT&T Mobility, Back-illuminated sensor, Backlight, Bad Astronomy, Bharti Airtel, Bluetooth, Cartesian coordinate system, Cellcom (Israel), Central processing unit, Chief executive officer, CNET, CNN, Coating, Code-division multiple access, Color balance, Comparison of smartphones, Consumer Reports, Contrast ratio, Coordinated Universal Time, CPU power dissipation, Da Nang, Developing country, Digital data, Digital zoom, DigiTimes, Discover (magazine), District attorney, Duct tape, Dynamic random-access memory, Electronic Frontier Foundation, Electronic serial number, Engadget, ..., Enhanced Data Rates for GSM Evolution, Evolution-Data Optimized, FaceTime, Federal Communications Commission, Fingerprint, Flash (photography), Flash memory, Flashlight, Form follows function, Fox News, Foxconn, Frame rate, Frequency response, Front-facing camera, Gawker Media, General Packet Radio Service, Geotagging, Gigabyte, Gizmodo, Global Positioning System, Graphics processing unit, GSM, GSM frequency bands, Gyroscope, Hanoi, Hertz, High Speed Packet Access, High Technology Theft Apprehension and Prosecution Program, High-definition video, History of iPhone, Ho Chi Minh City, Hotspot (Wi-Fi), Hubble Space Telescope, IEEE 802.11, IEEE 802.11b-1999, IEEE 802.11g-2003, IEEE 802.11n-2009, IFixit, IMac, Image resolution, Infineon Technologies, International Data Group, International Space Station, Intrinsity, IOS, IOS 4, IOS 7, IPad, IPhone, IPhone (1st generation), IPhone 3GS, IPhone 4S, IPhone 5, IPhone 5C, IPhone 5S, IPhone SE, IPod Touch, Jony Ive, Joshua Topolsky, Kilo-, KT Corporation, Lamination, LG Display, Light-emitting diode, Lipophobicity, Liquid-crystal display, List of iOS devices, Lithium-ion battery, Loudspeaker, Luminance, MacOS, MacRumors, Magnetometer, Maxis Communications, Megabyte, Micrometer, Micrometre, Microphone, Minute and second of arc, Mobile operating system, Mode Media, MSNBC, MTN Group, Multi-band device, Multi-touch, NASA, Noise-canceling microphone, Orange S.A., Parallax, Partner Communications Company, PC Advisor, PC Magazine, PC World, Pegatron, Pelephone, Pentalobe security screw, Phil Plait, Phone connector (audio), Photodetector, Pixel, Pixel density, PowerVR, Product teardown, Prototype, Proximity sensor, Redwood City, California, Retina, Retina Display, Rhodri Marsden, Samsung, San Francisco, SIM lock, Siri, Sky News, Skyworks Solutions, Smartphone, SoftBank Group, Space Shuttle, Sprint Corporation, Stainless steel, Steve Jobs, STS-135, System on a chip, TechRadar, The Daily Telegraph, The Independent, The Mercury News, The New York Times, The Wall Street Journal, Touchscreen, UMTS, UMTS frequency bands, Underclocking, Verizon Wireless, Vibrating structure gyroscope, Video Graphics Array, Videotelephony, Vodacom, Walt Mossberg, Wi-Fi, Wired (magazine), Yahoo! News, 3G, 480p, 720p. Expand index (145 more) »

Accelerometer

An accelerometer is a device that measures proper acceleration.

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Active noise control

Active noise control (ANC), also known as noise cancellation, or active noise reduction (ANR), is a method for reducing unwanted sound by the addition of a second sound specifically designed to cancel the first.

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Aircel

Aircel Ltd. is a defunct Indian mobile network operator headquartered in Gurgaon that offered voice and 2G and 3G data services.

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Aircraft principal axes

An aircraft in flight is free to rotate in three dimensions: yaw, nose left or right about an axis running up and down; pitch, nose up or down about an axis running from wing to wing; and roll, rotation about an axis running from nose to tail.

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AirDrop

AirDrop is an ad-hoc service in Apple Inc.'s macOS and iOS operating systems, introduced in Mac OS X Lion (Mac OS X 10.7) and iOS 7, which enables the transfer of files among supported Macintosh computers and iOS devices over Wi-Fi and Bluetooth, without using mail or a mass storage device.

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AirPlay

AirPlay is a proprietary protocol stack/suite developed by Apple Inc. that allows wireless streaming between devices of audio, video, device screens, and photos, together with related metadata.

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Aluminosilicate

Aluminosilicate minerals are minerals composed of aluminium, silicon, and oxygen, plus countercations.

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AnandTech

AnandTech is an online computer hardware magazine.

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Apple A4

The Apple A4 is a 32-bit package on package (PoP) system-on-a-chip (SoC) designed by Apple Inc. and manufactured by Samsung.

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Apple community

The Apple community are people interested in Apple Inc. and its products, who report information in various media.

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Apple Inc.

Apple Inc. is an American multinational technology company headquartered in Cupertino, California, that designs, develops, and sells consumer electronics, computer software, and online services.

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Apple Maps

Apple Maps (or simply Maps) is a web mapping service developed by Apple Inc. It is the default map system of iOS, macOS, and watchOS.

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Apple Store

Apple Store is a chain of retail stores owned and operated by Apple Inc. The stores sell Mac personal computers, iPhone smartphones, iPad tablet computers, iPod portable media players, Apple Watch smartwatches, Apple TV digital media players, software, and select third-party accessories.

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Apple Worldwide Developers Conference

The Apple Worldwide Developers Conference (WWDC) is a conference held annually by Apple Inc. in San Jose, California.

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ARM architecture

ARM, previously Advanced RISC Machine, originally Acorn RISC Machine, is a family of reduced instruction set computing (RISC) architectures for computer processors, configured for various environments.

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ARM Cortex-A8

The ARM Cortex-A8 is a 32-bit processor core licensed by ARM Holdings implementing the ARMv7-A architecture.

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Ars Technica

Ars Technica (a Latin-derived term that the site translates as the "art of technology") is a website covering news and opinions in technology, science, politics, and society, created by Ken Fisher and Jon Stokes in 1998.

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AT&T

AT&T Inc. is an American multinational conglomerate holding company headquartered at Whitacre Tower in Downtown Dallas, Texas.

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AT&T Mobility

AT&T Mobility LLC, also known as AT&T Wireless marketed as simply AT&T, is a wholly owned subsidiary of AT&T that provides wireless services to 138.8 million subscribers in the United States including Puerto Rico and the U.S. Virgin Islands.

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Back-illuminated sensor

A back-illuminated sensor, also known as backside illumination (BSI or BI) sensor, is a type of digital image sensor that uses a novel arrangement of the imaging elements to increase the amount of light captured and thereby improve low-light performance.

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Backlight

A backlight is a form of illumination used in liquid crystal displays (LCDs).

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Bad Astronomy

Bad Astronomy: Misconceptions and Misuses Revealed, from Astrology to the Moon Landing "Hoax" is a non-fiction book by the American astronomer Phil Plait, also known as "the Bad Astronomer".

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Bharti Airtel

Bharti Airtel Limited (commonly shortened to Airtel and stylised airtel) is an Indian global telecommunications services company based in New Delhi, India.

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Bluetooth

Bluetooth is a wireless technology standard for exchanging data over short distances (using short-wavelength UHF radio waves in the ISM band from 2.4 to 2.485GHz) from fixed and mobile devices, and building personal area networks (PANs).

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Cartesian coordinate system

A Cartesian coordinate system is a coordinate system that specifies each point uniquely in a plane by a pair of numerical coordinates, which are the signed distances to the point from two fixed perpendicular directed lines, measured in the same unit of length.

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Cellcom (Israel)

Cellcom (סלקום) is an Israeli telecommunications company.

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Central processing unit

A central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.

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Chief executive officer

Chief executive officer (CEO) is the position of the most senior corporate officer, executive, administrator, or other leader in charge of managing an organization especially an independent legal entity such as a company or nonprofit institution.

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CNET

CNET (stylized as c|net) is an American media website that publishes reviews, news, articles, blogs, podcasts and videos on technology and consumer electronics globally.

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CNN

Cable News Network (CNN) is an American basic cable and satellite television news channel and an independent subsidiary of AT&T's WarnerMedia.

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Coating

A coating is a covering that is applied to the surface of an object, usually referred to as the substrate.

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Code-division multiple access

Code-division multiple access (CDMA) is a channel access method used by various radio communication technologies.

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Color balance

In photography and image processing, color balance is the global adjustment of the intensities of the colors (typically red, green, and blue primary colors).

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Comparison of smartphones

This is a comparison of the various internal components and features of many smartphones.

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Consumer Reports

Consumer Reports is an American magazine published since 1930 by Consumers Union, a nonprofit organization dedicated to unbiased product testing, consumer-oriented research, public education, and advocacy.

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Contrast ratio

The contrast ratio is a property of a display system, defined as the ratio of the luminance of the brightest color (white) to that of the darkest color (black) that the system is capable of producing.

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Coordinated Universal Time

No description.

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CPU power dissipation

Central processing unit power dissipation or CPU power dissipation is the process in which central processing units (CPUs) consume electrical energy, and dissipate this energy in the form of heat due to the resistance in the electronic circuits.

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Da Nang

Da Nang (Đà Nẵng) is the fourth largest city in Vietnam after Ho Chi Minh City (Saigon), Hanoi and Haiphong in terms of urbanization and economy.

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Developing country

A developing country (or a low and middle income country (LMIC), less developed country, less economically developed country (LEDC), underdeveloped country) is a country with a less developed industrial base and a low Human Development Index (HDI) relative to other countries.

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Digital data

Digital data, in information theory and information systems, is the discrete, discontinuous representation of information or works.

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Digital zoom

Digital zoom is a method of decreasing the apparent angle of view of a digital photographic or video image.

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DigiTimes

DigiTimes is a daily newspaper for semiconductor, electronics, computer and communications industries in Taiwan and the Greater China region.

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Discover (magazine)

Discover is an American general audience science magazine launched in October 1980 by Time Inc.

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District attorney

In the United States, a district attorney (DA) is the chief prosecutor for a local government area, typically a county.

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Duct tape

Duct tape, also referred to as duck tape, is cloth- or scrim-backed pressure-sensitive tape, often coated with polyethylene.

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Dynamic random-access memory

Dynamic random-access memory (DRAM) is a type of random access semiconductor memory that stores each bit of data in a separate tiny capacitor within an integrated circuit.

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Electronic Frontier Foundation

The Electronic Frontier Foundation (EFF) is an international non-profit digital rights group based in San Francisco, California.

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Electronic serial number

Electronic serial numbers (ESNs) were created by the U.S. Federal Communications Commission (FCC) to uniquely identify mobile devices, from the days of AMPS in the United States starting in the early 1980s.

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Engadget

Engadget is a multilingual technology blog network with daily coverage of gadgets and consumer electronics.

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Enhanced Data Rates for GSM Evolution

Enhanced Data rates for GSM Evolution (EDGE) (also known as Enhanced GPRS (EGPRS), or IMT Single Carrier (IMT-SC), or Enhanced Data rates for Global Evolution) is a digital mobile phone technology that allows improved data transmission rates as a backward-compatible extension of GSM.

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Evolution-Data Optimized

Evolution-Data Optimized (EV-DO, EVDO, etc.) is a telecommunications standard for the wireless transmission of data through radio signals, typically for broadband Internet access.

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FaceTime

FaceTime is a proprietary videotelephony product developed by Apple Inc. FaceTime is available on supported iOS mobile devices and Macintosh computers that run and later.

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Federal Communications Commission

The Federal Communications Commission (FCC) is an independent agency of the United States government created by statute (and) to regulate interstate communications by radio, television, wire, satellite, and cable.

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Fingerprint

A fingerprint in its narrow sense is an impression left by the friction ridges of a human finger.

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Flash (photography)

A flash is a device used in photography producing a flash of artificial light (typically 1/1000 to 1/200 of a second) at a color temperature of about 5500 K to help illuminate a scene.

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Flash memory

Flash memory is an electronic (solid-state) non-volatile computer storage medium that can be electrically erased and reprogrammed.

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Flashlight

A flashlight (more often called a torch outside North America) is a portable hand-held electric light.

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Form follows function

Form follows function is a principle associated with 20th-century modernist architecture and industrial design which says that the shape of a building or object should primarily relate to its intended function or purpose.

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Fox News

Fox News (officially known as the Fox News Channel, commonly abbreviated to FNC) is an American basic cable and satellite television news channel owned by the Fox Entertainment Group, a subsidiary of 21st Century Fox.

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Foxconn

Hon Hai Precision Industry Co., Ltd., trading as Foxconn Technology Group, is a multinational electronics contract manufacturing company with its headquarters in Tucheng, New Taipei, Taiwan.

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Frame rate

Frame rate (expressed in or fps) is the frequency (rate) at which consecutive images called frames appear on a display.

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Frequency response

Frequency response is the quantitative measure of the output spectrum of a system or device in response to a stimulus, and is used to characterize the dynamics of the system.

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Front-facing camera

A front-facing camera is a common feature of cameras, mobile phones, smartphones, and tablets.

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Gawker Media

Gawker Media LLC (formerly Blogwire, Inc. and Gawker Media, Inc.) was an online media company and blog network.

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General Packet Radio Service

General Packet Radio Service (GPRS) is a packet oriented mobile data standard on the 2G and 3G cellular communication network's global system for mobile communications (GSM).

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Geotagging

Geotagging or GeoTagging, is the process of adding geographical identification metadata to various media such as a geotagged photograph or video, websites, SMS messages, QR Codes or RSS feeds and is a form of geospatial metadata.

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Gigabyte

The gigabyte is a multiple of the unit byte for digital information.

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Gizmodo

Gizmodo is a design, technology, science and science fiction website that also features articles on politics.

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Global Positioning System

The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States government and operated by the United States Air Force.

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Graphics processing unit

A graphics processing unit (GPU) is a specialized electronic circuit designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display device.

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GSM

GSM (Global System for Mobile communications) is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation digital cellular networks used by mobile devices such as tablets, first deployed in Finland in December 1991.

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GSM frequency bands

GSM frequency bands or frequency ranges are the cellular frequencies designated by the ITU for the operation of GSM mobile phones and other mobile devices.

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Gyroscope

A gyroscope (from Ancient Greek γῦρος gûros, "circle" and σκοπέω skopéō, "to look") is a device used for measuring or maintaining orientation and angular velocity.

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Hanoi

Hanoi (or; Hà Nội)) is the capital of Vietnam and the country's second largest city by population. The population in 2015 was estimated at 7.7 million people. The city lies on the right bank of the Red River. Hanoi is north of Ho Chi Minh City and west of Hai Phong city. From 1010 until 1802, it was the most important political centre of Vietnam. It was eclipsed by Huế, the imperial capital of Vietnam during the Nguyễn Dynasty (1802–1945). In 1873 Hanoi was conquered by the French. From 1883 to 1945, the city was the administrative center of the colony of French Indochina. The French built a modern administrative city south of Old Hanoi, creating broad, perpendicular tree-lined avenues of opera, churches, public buildings, and luxury villas, but they also destroyed large parts of the city, shedding or reducing the size of lakes and canals, while also clearing out various imperial palaces and citadels. From 1940 to 1945 Hanoi, as well as the largest part of French Indochina and Southeast Asia, was occupied by the Japanese. On September 2, 1945, Ho Chi Minh proclaimed the Democratic Republic of Vietnam (North Vietnam). The Vietnamese National Assembly under Ho Chi Minh decided on January 6, 1946, to make Hanoi the capital of the Democratic Republic of Vietnam. From 1954 to 1976, it was the capital of North Vietnam, and it became the capital of a reunified Vietnam in 1976, after the North's victory in the Vietnam War. October 2010 officially marked 1,000 years since the establishment of the city. The Hanoi Ceramic Mosaic Mural is a ceramic mosaic mural created to mark the occasion.

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Hertz

The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.

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High Speed Packet Access

High Speed Packet Access (HSPA) is an amalgamation of two mobile protocols, High Speed Downlink Packet Access (HSDPA) and High Speed Uplink Packet Access (HSUPA), that extends and improves the performance of existing 3G mobile telecommunication networks using the WCDMA protocols.

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High Technology Theft Apprehension and Prosecution Program

The High Technology Theft Apprehension and Prosecution Program, abbreviated as the HTTAP Program, is a program within the California Emergency Management Agency (CalEMA) concerned with high technology crime including white-collar crime, cracking, computerized money laundering, theft of services, copyright infringement of software, remarking and counterfeiting of computer hardware and software, and industrial espionage.

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High-definition video

High-definition video is video of higher resolution and quality than standard-definition.

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History of iPhone

The history of iPhone began with a request from Apple Inc. CEO Steve Jobs to the company's engineers, asking them to investigate the use of touchscreen devices and tablet computers (which later came to fruition with the iPad).

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Ho Chi Minh City

Ho Chi Minh City (Thành phố Hồ Chí Minh; or; formerly Hô-Chi-Minh-Ville), also widely known by its former name of Saigon (Sài Gòn; or), is the largest city in Vietnam by population.

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Hotspot (Wi-Fi)

A hotspot is a physical location where people may obtain Internet access, typically using Wi-Fi technology, via a wireless local area network (WLAN) using a router connected to an internet service provider.

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Hubble Space Telescope

The Hubble Space Telescope (HST) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation.

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IEEE 802.11

IEEE 802.11 is a set of media access control (MAC) and physical layer (PHY) specifications for implementing wireless local area network (WLAN) computer communication in the 900 MHz and 2.4, 3.6, 5, and 60 GHz frequency bands.

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IEEE 802.11b-1999

IEEE 802.11b-1999 or 802.11b, is an amendment to the IEEE 802.11 wireless networking specification that extends throughput up to 11 Mbit/s using the same 2.4GHz band.

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IEEE 802.11g-2003

IEEE 802.11g-2003 or 802.11g is an amendment to the IEEE 802.11 specification that extended throughput to up to 54 Mbit/s using the same 2.4 GHz band as 802.11b.

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IEEE 802.11n-2009

IEEE 802.11n-2009, commonly shortened to 802.11n, is a wireless-networking standard that uses multiple antennas to increase data rates.

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IFixit

iFixit is a private company in San Luis Obispo, California.

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IMac

iMac is a family of all-in-one Macintosh desktop computers designed and built by Apple Inc. It has been the primary part of Apple's consumer desktop offerings since its debut in August 1998, and has evolved through seven distinct forms.

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Image resolution

Image resolution is the detail an image holds.

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Infineon Technologies

Infineon Technologies AG is a German semiconductor manufacturer founded on 1 April 1999, when the semiconductor operations of the parent company Siemens AG were spun off to form a separate legal entity.

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International Data Group

International Data Group, Inc. (IDG) is a Chinese-owned, American-based media, data and marketing services and venture capital organization.

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International Space Station

The International Space Station (ISS) is a space station, or a habitable artificial satellite, in low Earth orbit.

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Intrinsity

Intrinsity was a privately held Austin, Texas based fabless semiconductor company; it was founded in 1997 as EVSX on the remnants of Exponential Technology and changed its name to Intrinsity in 2000.

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IOS

iOS (formerly iPhone OS) is a mobile operating system created and developed by Apple Inc. exclusively for its hardware.

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IOS 4

iOS 4 is the fourth major release of the iOS mobile operating system developed by Apple Inc., being the successor to iPhone OS 3.

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IOS 7

iOS 7 is the seventh major release of the iOS mobile operating system developed by Apple Inc., being the successor to iOS 6.

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IPad

iPad is a line of tablet computers designed, developed and marketed by Apple Inc., which run the iOS mobile operating system.

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IPhone

iPhone is a line of smartphones designed and marketed by Apple Inc. The iPhone line of products use Apple's iOS mobile operating system software.

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IPhone (1st generation)

The iPhone is the first smartphone model designed and marketed by Apple Inc, announced on January 9, 2007, after years of rumors and speculation.

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IPhone 3GS

The iPhone 3GS (originally styled iPhone 3G S) is a smartphone that was designed and marketed by Apple Inc. It is the third generation iPhone, successor to the iPhone 3G.

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IPhone 4S

The iPhone 4S (retroactively stylized with a lowercase 's' as iPhone 4s as of September 2013) is a smartphone that was designed and marketed by Apple Inc. It is the fifth generation of the iPhone, succeeding the iPhone 4 and preceding the iPhone 5.

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IPhone 5

The iPhone 5 is a smartphone designed and marketed by Apple Inc. It is the sixth generation of the iPhone, succeeding the iPhone 4S and preceding the iPhone 5S and iPhone 5C.

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IPhone 5C

The iPhone 5C (marketed with a stylized lowercase 'c' as iPhone 5c) is a smartphone that was designed and marketed by Apple Inc. The device was part of the iPhone series and was unveiled on September 10, 2013, and released on September 20, 2013, along with its higher-end counterpart, the iPhone 5S.

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IPhone 5S

The iPhone 5S is a smartphone that was designed and marketed by Apple Inc. Part of the iPhone series, the device was unveiled on September 10, 2013, at Apple's Cupertino headquarters.

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IPhone SE

The iPhone Special Edition (SE) is a smartphone designed and marketed by Apple Inc. as part of the iPhone series of devices.

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IPod Touch

The iPod Touch (stylized and marketed as iPod touch) is an iOS-based all-purpose mobile device designed and marketed by Apple Inc. with a touchscreen-controlled user interface.

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Jony Ive

Sir Jonathan Paul Ive, KBE, HonFREng, RDI (born 27 February 1967) is an English industrial designer who is currently the chief design officer (CDO) of Apple and chancellor of the Royal College of Art in London.

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Joshua Topolsky

Joshua Ryan Topolsky (born October 19, 1977) is an American technology journalist.

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Kilo-

Kilo is a decimal unit prefix in the metric system denoting multiplication by one thousand (103).

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KT Corporation

KT Corporation (Hangul: 케이티 주식회사), formerly Korea Telecom, is South Korea's largest telephone company.

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Lamination

Lamination is the technique of manufacturing a material in multiple layers, so that the composite material achieves improved strength, stability, sound insulation, appearance or other properties from the use of differing materials.

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LG Display

LG Display (Korean: LG 디스플레이) is the world's largest LCD panel maker.

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Light-emitting diode

A light-emitting diode (LED) is a two-lead semiconductor light source.

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Lipophobicity

Lipophobicity, also sometimes called lipophobia (from the Greek λιποφοβία from λίπος lipos "fat" and φόβος phobos "fear"), is a chemical property of chemical compounds which means "fat rejection", literally "fear of fat".

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Liquid-crystal display

A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals.

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List of iOS devices

This is a list and comparison of devices designed and marketed by Apple Inc. that run a Unix-like operating system named iOS, often colloquially referred to simply as iDevices.

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Lithium-ion battery

A lithium-ion battery or Li-ion battery (abbreviated as LIB) is a type of rechargeable battery in which lithium ions move from the negative electrode to the positive electrode during discharge and back when charging.

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Loudspeaker

A loudspeaker (or loud-speaker or speaker) is an electroacoustic transducer; which converts an electrical audio signal into a corresponding sound.

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Luminance

Luminance is a photometric measure of the luminous intensity per unit area of light travelling in a given direction.

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MacOS

macOS (previously and later) is a series of graphical operating systems developed and marketed by Apple Inc. since 2001.

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MacRumors

MacRumors.com is a website that aggregates Mac and Apple related news, rumors, and reports.

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Magnetometer

A magnetometer is an instrument that measures magnetism—either the magnetization of a magnetic material like a ferromagnet, or the direction, strength, or relative change of a magnetic field at a particular location.

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Maxis Communications

Maxis Communications or Maxis Berhad is a communications service provider in Malaysia.

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Megabyte

The megabyte is a multiple of the unit byte for digital information.

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Micrometer

A micrometer, sometimes known as a micrometer screw gauge, is a device incorporating a calibrated screw widely used for precise measurement of components in mechanical engineering and machining as well as most mechanical trades, along with other metrological instruments such as dial, vernier, and digital calipers.

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Micrometre

The micrometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: μm) or micrometer (American spelling), also commonly known as a micron, is an SI derived unit of length equaling (SI standard prefix "micro-".

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Microphone

A microphone, colloquially nicknamed mic or mike, is a transducer that converts sound into an electrical signal.

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Minute and second of arc

A minute of arc, arcminute (arcmin), arc minute, or minute arc is a unit of angular measurement equal to of one degree.

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Mobile operating system

No description.

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Mode Media

Mode Media, Inc. (formerly Project Y, Glam Media) was a digital lifestyle media company where content was produced by anyone but reviewed by professional editors prior to publishing.

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MSNBC

MSNBC is an American news cable and satellite television network that provides news coverage and political commentary from NBC News on current events.

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MTN Group

MTN Group Limited, formerly M-Cell, is a South Africa-based multinational mobile telecommunications company, operating in many African, European and Asian countries.

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Multi-band device

In telecommunications, a multi-band device (including dual-band, tri-band, quad-band and penta-band devices) is a communication device (especially a mobile phone) that supports multiple radio frequency bands.

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Multi-touch

In computing, multi-touch is technology that enables a surface (a trackpad or touchscreen) to recognize the presence of more than one or more than two points of contact with the surface.

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NASA

The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.

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Noise-canceling microphone

A noise-canceling microphone is a microphone that is designed to filter ambient noise from the desired sound, which is especially useful in noisy environments.

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Orange S.A.

Orange S.A., formerly France Télécom S.A., is a French multinational telecommunications corporation.

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Parallax

Parallax is a displacement or difference in the apparent position of an object viewed along two different lines of sight, and is measured by the angle or semi-angle of inclination between those two lines.

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Partner Communications Company

Partner Communications Company Ltd. (חברת פרטנר תקשורת בע"מ) doing business as Partner (פרטנר), formerly known as Orange Israel (אורנג' ישראל), is a mobile network operator, internet Wi-Fi and fixed telephony service provider in Israel.

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PC Advisor

PC Advisor is a monthly computer magazine, released in the UK & Ireland, and website published by IDG.

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PC Magazine

PC Magazine (shortened as PCMag) is an American computer magazine published by Ziff Davis.

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PC World

PC World, stylized PCWorld, is a global computer magazine published monthly by IDG.

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Pegatron

Pegatron Corporation (lit. Grand Mastery United Technology Corporation) is a Taiwanese electronics manufacturing company that develops mainly computing, communications and consumer electronics to branded vendors, but also engages in the development, design and manufacturing of computer peripherals and components.

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Pelephone

Pelephone (פלאפון,, lit. "wonder phone") is a mobile network operator in Israel, and also the first company to offer mobile telephony services in Israel.

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Pentalobe security screw

The pentalobe security screw (Apple nomenclature), or pentalobe screw drive, is a five-pointed tamper-resistant system used by, among other companies, Apple in its products.

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Phil Plait

Philip Cary Plait (born September 30, 1964), also known as The Bad Astronomer, is an American astronomer, skeptic, writer and popular science blogger.

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Phone connector (audio)

A phone connector, also known as phone jack, audio jack, headphone jack or jack plug, is a family of electrical connectors typically used for analog audio signals.

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Photodetector

Photosensors or photodetectors are sensors of light or other electromagnetic energy.

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Pixel

In digital imaging, a pixel, pel, dots, or picture element is a physical point in a raster image, or the smallest addressable element in an all points addressable display device; so it is the smallest controllable element of a picture represented on the screen.

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Pixel density

Pixels per inch (PPI) or pixels per centimeter (PPCM) are measurements of the pixel density (resolution) of an electronic image device, such as a computer monitor or television display, or image digitizing device such as a camera or image scanner.

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PowerVR

PowerVR is a division of Imagination Technologies (formerly VideoLogic) that develops hardware and software for 2D and 3D rendering, and for video encoding, decoding, associated image processing and DirectX, OpenGL ES, OpenVG, and OpenCL acceleration.

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Product teardown

A product teardown, or simply teardown, is the act of disassembling a product, such that it helps to identify its component parts, chip & system functionality, and component costing information.

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Prototype

A prototype is an early sample, model, or release of a product built to test a concept or process or to act as a thing to be replicated or learned from.

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Proximity sensor

A proximity sensor is a sensor able to detect the presence of nearby objects without any physical contact.

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Redwood City, California

Redwood City is a city on the San Francisco Peninsula in Northern California's Bay Area, approximately south of San Francisco, and northwest of San Jose.

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Retina

The retina is the innermost, light-sensitive "coat", or layer, of shell tissue of the eye of most vertebrates and some molluscs.

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Retina Display

Retina Display (marketed by Apple with a lowercase 'D' as Retina display) is a brand name used by Apple for its series of IPS panel and OLED displays that have a higher pixel density than traditional Apple displays.

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Rhodri Marsden

Rhodri Marsden (born 1 October 1971) is a London-based writer and musician.

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Samsung

Samsung is a South Korean multinational conglomerate headquartered in Samsung Town, Seoul.

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San Francisco

San Francisco (initials SF;, Spanish for 'Saint Francis'), officially the City and County of San Francisco, is the cultural, commercial, and financial center of Northern California.

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SIM lock

A SIM lock, simlock, network lock, carrier lock or (master) subsidy lock is a technical restriction built into GSM and CDMA mobile phones by mobile phone manufacturers for use by service providers to restrict the use of these phones to specific countries and/or networks.

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Siri

Siri (pronounced) is a virtual assistant part of Apple Inc.'s iOS, watchOS, macOS, and tvOS operating systems.

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Sky News

Sky News is a 24-hour international multimedia news organisation based in the UK that started as a 24-hour television news channel.

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Skyworks Solutions

Skyworks Solutions, Inc. is an American semiconductor company headquartered in Woburn, Massachusetts, United States.

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Smartphone

A smartphone is a handheld personal computer with a mobile operating system and an integrated mobile broadband cellular network connection for voice, SMS, and Internet data communication; most, if not all, smartphones also support Wi-Fi.

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SoftBank Group

is a Japanese multinational holding conglomerate headquartered in Tokyo, Japan.

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Space Shuttle

The Space Shuttle was a partially reusable low Earth orbital spacecraft system operated by the U.S. National Aeronautics and Space Administration (NASA), as part of the Space Shuttle program.

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Sprint Corporation

Sprint Corporation is an American telecommunications company that provides wireless services and is an internet service provider.

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Stainless steel

In metallurgy, stainless steel, also known as inox steel or inox from French inoxydable (inoxidizable), is a steel alloy with a minimum of 10.5% chromium content by mass.

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Steve Jobs

Steven Paul Jobs (February 24, 1955 – October 5, 2011) was an American entrepreneur and business magnate.

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STS-135

STS-135 (ISS assembly flight ULF7) was the 135th and final mission of the American Space Shuttle program.

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System on a chip

A system on a chip or system on chip (SoC) is an integrated circuit (also known as an "IC" or "chip") that integrates all components of a computer or other electronic systems.

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TechRadar

TechRadar is an online publication focused on technology, with editorial teams in the US, UK, Australia and India.

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The Daily Telegraph

The Daily Telegraph, commonly referred to simply as The Telegraph, is a national British daily broadsheet newspaper published in London by Telegraph Media Group and distributed across the United Kingdom and internationally.

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The Independent

The Independent is a British online newspaper.

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The Mercury News

The Mercury News (formerly San Jose Mercury News, often locally known as The Merc) is a morning daily newspaper published in San Jose, California, United States.

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The New York Times

The New York Times (sometimes abbreviated as The NYT or The Times) is an American newspaper based in New York City with worldwide influence and readership.

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The Wall Street Journal

The Wall Street Journal is a U.S. business-focused, English-language international daily newspaper based in New York City.

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Touchscreen

A touchscreen is an input and output device normally layered on the top of an electronic visual display of an information processing system.

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UMTS

The Universal Mobile Telecommunications System (UMTS) is a third generation mobile cellular system for networks based on the GSM standard.

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UMTS frequency bands

The UMTS frequency bands are radio frequencies used by third generation (3G) wireless Universal Mobile Telecommunications System networks.

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Underclocking

Underclocking, also known as downclocking, is modifying a computer or electronic circuit's timing settings to run at a lower clock rate than is specified.

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Verizon Wireless

Cellco Partnership, d/b/a Verizon Wireless (commonly shortened to Verizon, and stylized as verizon), is an American telecommunications company which offers wireless products and services.

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Vibrating structure gyroscope

A vibrating structure gyroscope, defined by the IEEE as a Coriolis vibratory gyroscope (CVG), is a gyroscope that uses a vibrating structure to determine the rate of rotation.

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Video Graphics Array

Video Graphics Array (VGA) is the display hardware first introduced with the IBM PS/2 line of computers in 1987, following CGA and EGA introduced in earlier IBM personal computers.

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Videotelephony

Videotelephony comprises the technologies for the reception and transmission of audio-video signals by users at different locations, for communication between people in real-time.

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Vodacom

Vodacom Group Limited (Vodacom) is a South African mobile communications company, providing voice, messaging, data and converged services to over 55 million customers.

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Walt Mossberg

Walter S. Mossberg (born March 27, 1947) is an American journalist.

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Wi-Fi

Wi-Fi or WiFi is technology for radio wireless local area networking of devices based on the IEEE 802.11 standards.

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Wired (magazine)

Wired is a monthly American magazine, published in print and online editions, that focuses on how emerging technologies affect culture, the economy, and politics.

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Yahoo! News

Yahoo! News is a news website that originated as an internet-based news aggregator by Yahoo!.

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3G

3G, short for third generation, is the third generation of wireless mobile telecommunications technology.

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480p

480p is the shorthand name for a family of video display resolutions.

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720p

720p (1280×720 px; also called HD Ready or standard HD) is a progressive HDTV signal format with 720 horizontal lines and an aspect ratio (AR) of 16:9, normally known as widescreen HDTV (1.78:1).

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Antennagate, Apple iPhone 4, Fourth generation iPhone prototype controversy, Fourth iphone, IPhone (4th generation), IPhone 4 Bumper, IPhone 4G, IPhone 4S Bumper, IPhone four, IPhone4, Iphone 4, Iphone 4 prototype, Iphone four, Judas phone, Verizon iPhone 4.

References

[1] https://en.wikipedia.org/wiki/IPhone_4

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