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  2. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    Radar beacon. Racon signal as seen on a radar screen. This beacon receives using sidelobe suppression and transmits the letter "Q" in Morse code near Boston Harbor (Nahant) 17 January 1985. Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1 ...

  3. Mobile technology - Wikipedia

    en.wikipedia.org/wiki/Mobile_technology

    Android, a mobile OS developed by Google, is the first completely open-source mobile OS, meaning that it is free to any cell phone mobile network. Since 2008 customizable OSs allow the user to download apps like games, GPS , utilities, and other tools.

  4. Mobile app - Wikipedia

    en.wikipedia.org/wiki/Mobile_app

    Mobile app. A mobile application or app is a computer program or software application designed to run on a mobile device such as a phone, tablet, or watch. Mobile applications often stand in contrast to desktop applications which are designed to run on desktop computers, and web applications which run in mobile web browsers rather than directly ...

  5. Mobile app development - Wikipedia

    en.wikipedia.org/wiki/Mobile_app_development

    Mobile app development. Mobile app development is the act or process by which a mobile app is developed for one or more mobile devices, which can include personal digital assistants (PDA), enterprise digital assistants (EDA), or mobile phones. [ 1] Such software applications are specifically designed to run on mobile devices, taking numerous ...

  6. Messenger (software) - Wikipedia

    en.wikipedia.org/wiki/Messenger_(software)

    Messenger, [11] also known as Facebook Messenger, is an American proprietary instant messaging service developed by Meta Platforms.Originally developed as Facebook Chat in 2008, the client application of Messenger is currently available on iOS and Android mobile platforms, Windows and macOS desktop platforms, through the Messenger.com web application, and on the standalone Facebook Portal ...

  7. Android (operating system) - Wikipedia

    en.wikipedia.org/wiki/Android_(operating_system)

    Android version history. Android is a mobile operating system based on a modified version of the Linux kernel and other open-source software, designed primarily for touchscreen mobile devices such as smartphones and tablets. Android has historically been developed by a consortium of developers known as the Open Handset Alliance, but its most ...

  8. Multimedia Messaging Service - Wikipedia

    en.wikipedia.org/wiki/Multimedia_Messaging_Service

    Multimedia Messaging Service ( MMS) is a standard way to send messages that include multimedia content to and from a mobile phone over a cellular network. Users and providers may refer to such a message as a PXT, a picture message, or a multimedia message. [ 1] The MMS standard extends the core SMS (Short Message Service) capability, allowing ...

  9. Mobile device - Wikipedia

    en.wikipedia.org/wiki/Mobile_device

    Mobile device. A mobile device or handheld computer is a computer small enough to hold and operate in hand. Mobile devices are typically battery-powered and possess a flat-panel display and one or more built-in input devices, such as a touchscreen or keypad. Modern mobile devices often emphasize wireless networking, to both the Internet and to ...