Smartphone

smartphonessmart phonesmart phonesmobilephonesmart-phonesmartmobile phonephonessmart-phones
Smartphones (contraction of smart and telephone) are a class of mobile phones and of multi-purpose mobile computing devices.wikipedia
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Mobile operating system

mobile platformsmobilemobile operating systems
They are distinguished from feature phones by their stronger hardware capabilities and extensive mobile operating systems, which facilitate wider software, internet (including web browsing over mobile broadband), and multimedia functionality (including music, video, cameras, and gaming), alongside core phone functions such as voice calls and text messaging.
A mobile operating system (or mobile OS) is an operating system for phones, tablets, smartwatches, or other mobile devices.

Mobile game

mobilemobile gamingmobile phones
They are distinguished from feature phones by their stronger hardware capabilities and extensive mobile operating systems, which facilitate wider software, internet (including web browsing over mobile broadband), and multimedia functionality (including music, video, cameras, and gaming), alongside core phone functions such as voice calls and text messaging.
A mobile game is a game played on a feature phone, smartphone/tablet, smartwatch, PDA, portable media player or graphing calculator.

Mobile phone

cell phonemobilemobile phones
Smartphones (contraction of smart and telephone) are a class of mobile phones and of multi-purpose mobile computing devices.
Mobile phones offering only those capabilities are known as feature phones; mobile phones which offer greatly advanced computing capabilities are referred to as smartphones.

BlackBerry

CrackberryBlackberriesBlackBerry OS
In the 2000s, BlackBerry, Nokia's Symbian platform, and Windows Phone began to gain market traction, with models often featuring QWERTY keyboards or resistive touchscreen input, and emphasizing access to push email and wireless internet. Later, in the mid-2000s, business users in the U.S. started to adopt devices based on Microsoft's Windows Mobile, and then BlackBerry smartphones from Research In Motion.
BlackBerry is a line of smartphones, tablets, and services originally designed and marketed by Canadian company BlackBerry Limited (formerly known as Research In Motion, or RIM).

Personal digital assistant

PDAPDAspersonal digital assistants
Early smartphones were marketed primarily towards the enterprise market, attempting to bridge the functionality of standalone personal digital assistant (PDA) devices with support for cellular telephony, but were limited by their battery life, bulky form, and the immaturity of wireless data services. In the mid-late 1990s, many people who had mobile phones carried a separate dedicated PDA device, running early versions of operating systems such as Palm OS, Newton OS, Symbian or Windows CE/Pocket PC.
PDAs were largely discontinued in the early 2010s after the widespread adoption of highly capable smartphones, in particular those based on iOS and Android.

Mobile computing

mobilemobile computermobile computers
Smartphones (contraction of smart and telephone) are a class of mobile phones and of multi-purpose mobile computing devices.
* Portable computers, compact, lightweight units including a full character set keyboard and primarily intended as hosts for software that may be parameterized, such as laptops/desktops, smartphones/tablets, etc.

Symbian

Symbian OSSymbian^3Nokia Belle
In the 2000s, BlackBerry, Nokia's Symbian platform, and Windows Phone began to gain market traction, with models often featuring QWERTY keyboards or resistive touchscreen input, and emphasizing access to push email and wireless internet. In the mid-late 1990s, many people who had mobile phones carried a separate dedicated PDA device, running early versions of operating systems such as Palm OS, Newton OS, Symbian or Windows CE/Pocket PC.
Symbian is a discontinued mobile operating system (OS) and computing platform designed for smartphones.

Windows Phone

WPWindowsWindows Phone 7
In the 2000s, BlackBerry, Nokia's Symbian platform, and Windows Phone began to gain market traction, with models often featuring QWERTY keyboards or resistive touchscreen input, and emphasizing access to push email and wireless internet.
Windows Phone (WP) is a family of discontinued mobile operating systems developed by Microsoft for smartphones as the replacement successor to Windows Mobile and Zune.

IPhone

iPhonesiPhone appApple iPhone
Since the unveiling of the iPhone in 2007, the majority of smartphones have featured thin, slate-like form factors, with large, capacitive screens with support for multi-touch gestures rather than physical keyboards, and offer the ability for users to download or purchase additional applications from a centralized store, and use cloud storage and synchronization, virtual assistants, as well as mobile payment services.
iPhone is a line of smartphones designed and marketed by Apple Inc. All generations of the iPhone use Apple's iOS mobile operating system software.

Form factor (mobile phones)

SlateTouchscreenCandybar
Since the unveiling of the iPhone in 2007, the majority of smartphones have featured thin, slate-like form factors, with large, capacitive screens with support for multi-touch gestures rather than physical keyboards, and offer the ability for users to download or purchase additional applications from a centralized store, and use cloud storage and synchronization, virtual assistants, as well as mobile payment services.
The form factor of a mobile phone is its size, shape, and style, as well as the layout and position of its major components.

Mobile broadband

mobile datadatamobile
They are distinguished from feature phones by their stronger hardware capabilities and extensive mobile operating systems, which facilitate wider software, internet (including web browsing over mobile broadband), and multimedia functionality (including music, video, cameras, and gaming), alongside core phone functions such as voice calls and text messaging.
Mobile broadband is the marketing term for wireless Internet access through a portable modem, USB wireless modem, or a tablet/smartphone or other mobile device.

Nokia

Nokia CorporationNokia GroupNokia India
In the 2000s, BlackBerry, Nokia's Symbian platform, and Windows Phone began to gain market traction, with models often featuring QWERTY keyboards or resistive touchscreen input, and emphasizing access to push email and wireless internet.
Nokia is a notable major contributor to the mobile telephony industry, having assisted in the development of the GSM, 3G and LTE standards (and currently in 5G), and is best known for having been the largest worldwide vendor of mobile phones and smartphones for a period.

Telephone

phonetelephonesLocal Telephone Service
Smartphones (contraction of smart and telephone) are a class of mobile phones and of multi-purpose mobile computing devices.
Since 1999, the trend for mobile phones is smartphones that integrate all mobile communication and computing needs.

Push email

push e-mailmobile e-mailPush
In the 2000s, BlackBerry, Nokia's Symbian platform, and Windows Phone began to gain market traction, with models often featuring QWERTY keyboards or resistive touchscreen input, and emphasizing access to push email and wireless internet.
Email clients include smartphones and, less strictly, IMAP personal computer mail applications.

Virtual assistant

intelligent personal assistantvirtual assistantsautomated online assistant
Since the unveiling of the iPhone in 2007, the majority of smartphones have featured thin, slate-like form factors, with large, capacitive screens with support for multi-touch gestures rather than physical keyboards, and offer the ability for users to download or purchase additional applications from a centralized store, and use cloud storage and synchronization, virtual assistants, as well as mobile payment services.
Apple and Google have large installed bases of users on smartphones.

Camera phone

cameracamera phonescell phone cameras
They are distinguished from feature phones by their stronger hardware capabilities and extensive mobile operating systems, which facilitate wider software, internet (including web browsing over mobile broadband), and multimedia functionality (including music, video, cameras, and gaming), alongside core phone functions such as voice calls and text messaging.
Some of the more expensive camera phones have only a few of these technical disadvantages, but with bigger image sensors (a few are up to 1"), their capabilities approach those of low-end point-and-shoot cameras. In the smartphone era, the steady sales increase of camera phones caused point-and-shoot camera sales to peak about 2010 and decline thereafter. Most model lines improve their cameras every year or two.

Feature phone

feature phonesfeaturephonecell phones
They are distinguished from feature phones by their stronger hardware capabilities and extensive mobile operating systems, which facilitate wider software, internet (including web browsing over mobile broadband), and multimedia functionality (including music, video, cameras, and gaming), alongside core phone functions such as voice calls and text messaging.
Feature phones tend to use a proprietary, custom-designed software and user interface, and lack the capabilities of smartphones.

Frank J. Canova

Frank Canova
The first commercially available device that could be properly referred to as a "smartphone" began as a prototype called "Angler" developed by Frank Canova in 1992 while at IBM and demonstrated in November of that year at the COMDEX computer industry trade show.
Francis James Canova Jr. (born 23 December 1956) is an American electronics designer who originated the idea for the IBM Simon and has thus been described as the inventor of the smartphone.

Palm OS

PalmPalm Operating SystemPalm OS 5.2.8
In the mid-late 1990s, many people who had mobile phones carried a separate dedicated PDA device, running early versions of operating systems such as Palm OS, Newton OS, Symbian or Windows CE/Pocket PC.
Later versions of the OS have been extended to support smartphones.

Mobile cloud storage

cloud storage
Since the unveiling of the iPhone in 2007, the majority of smartphones have featured thin, slate-like form factors, with large, capacitive screens with support for multi-touch gestures rather than physical keyboards, and offer the ability for users to download or purchase additional applications from a centralized store, and use cloud storage and synchronization, virtual assistants, as well as mobile payment services.
Mobile cloud storage is a form of cloud storage that is accessible on mobile devices such as laptops, tablets, and smartphones.

Application software

applicationapplicationssoftware application
They are distinguished from feature phones by their stronger hardware capabilities and extensive mobile operating systems, which facilitate wider software, internet (including web browsing over mobile broadband), and multimedia functionality (including music, video, cameras, and gaming), alongside core phone functions such as voice calls and text messaging.
In recent years, the shortened term "app" (coined in 1981 or earlier ) has become popular to refer to applications for mobile devices such as smartphones and tablets, the shortened form matching their typically smaller scope compared to applications on PCs.

Gyroscope

gyroscopicgyroscopesgyro
Smartphones typically include various sensors that can be leveraged by their software, such as a magnetometer, proximity sensors, barometer, gyroscope and accelerometer, and support wireless communications protocols such as Bluetooth, Wi-Fi, and satellite navigation.
Three-axis MEMS-based gyroscopes are also being used in portable electronic devices such as tablets, smartphones, and smartwatches.

Microsoft Windows

WindowsPCWin
It was also 100% DOS 5.0 compatible, allowing it to run thousands of existing software titles, including early versions of Windows.
However, in 2014, Microsoft admitted losing the majority of the overall operating system market to Android, because of the massive growth in sales of Android smartphones.

Mobile Web

mobile internetmobile websitemobile
In 1999, Japanese wireless provider NTT DoCoMo launched i-mode, a new mobile internet platform which provided data transmission speeds up to 9.6 kilobits per second, and access web services available through the platform such as online shopping.
The mobile web, also known as mobile internet, refers to browser-based Internet services accessed from handheld mobile devices, such as smartphones or feature phones, through a mobile or other wireless network.

Windows Mobile

MobileWindows Mobile 6Windows Mobile 6.5
Later, in the mid-2000s, business users in the U.S. started to adopt devices based on Microsoft's Windows Mobile, and then BlackBerry smartphones from Research In Motion.
Windows Mobile is a discontinued family of mobile operating systems developed by Microsoft for smartphones and Pocket PCs.