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Android (operating system) 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 is developed by a consortium of developers known as the Open Handset Alliance, though its most widely used ...
The version history of the Android mobile operating system began with the public release of its first beta on November 5, 2007. The first commercial version, Android 1.0, was released on September 23, 2008. The operating system is developed by Google on a yearly cadence since at least 2011. [1] New major releases are announced at Google I/O in ...
Memory paging. In computer operating systems, memory paging (or swapping on some Unix-like systems) is a memory management scheme by which a computer stores and retrieves data from secondary storage [a] for use in main memory. [citation needed] In this scheme, the operating system retrieves data from secondary storage in same-size blocks called ...
Android Ice Cream Sandwich (or Android 4.0) is the fourth major version of the Android mobile operating system developed by Google. Unveiled on October 19, 2011, Android 4.0 builds upon the significant changes made by the tablet-only release Android Honeycomb , in an effort to create a unified platform for both smartphones and tablets .
Page replacement algorithm. In a computer operating system that uses paging for virtual memory management, page replacement algorithms decide which memory pages to page out, sometimes called swap out, or write to disk, when a page of memory needs to be allocated. Page replacement happens when a requested page is not in memory ( page fault) and ...
Android 15. Android 15 is an upcoming major release of the Android mobile operating system. With the release of the first developer preview in February 2024 and a release of the first beta in April 2024, Google expects to reach platform stability in June 2024 with a final release expected in Q3 2024. [1]
Google Pay. Google Pay (formerly Android Pay) is a mobile payment service developed by Google to power in-app, online, and in-person contactless purchases on mobile devices, enabling users to make payments with Android phones, tablets, or watches. Users can authenticate via a PIN, passcode, or biometrics such as 3D face scanning or fingerprint ...
Connectivity. Connectivity. Android supports connectivity technologies including GSM / EDGE, Bluetooth, LTE, CDMA, EV-DO, UMTS, NFC, THAILAND and WiMAX. Bluetooth. Supports voice dialing and sending contacts between phones, playing music, sending files ( OPP ), accessing the phone book ( PBAP ), A2DP and AVRCP.