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  2. macOS version history - Wikipedia

    en.wikipedia.org/wiki/MacOS_version_history

    However, the current macOS is a UNIX operating system built on technology that had been developed at NeXT from the 1980s until Apple purchased the company in early 1997. [1] macOS components derived from BSD include multiuser access, TCP/IP networking, and memory protection. [2] Although it was originally marketed as simply "version 10" of Mac ...

  3. Contactless payment - Wikipedia

    en.wikipedia.org/wiki/Contactless_payment

    Contactless payment systems are credit cards and debit cards, key fobs, smart cards, or other devices, including smartphones and other mobile devices, that use radio-frequency identification (RFID) or near-field communication (NFC) for making secure payments. The embedded integrated circuit chip and antenna enable consumers to wave their card ...

  4. Card reader - Wikipedia

    en.wikipedia.org/wiki/Card_reader

    A card reader is a data input device that reads data from a card-shaped storage medium and provides the data to a computer. Card readers can acquire data from a card via a number of methods, including: optical scanning of printed text or barcodes or holes on punched cards, electrical signals from connections made or interrupted by a card's punched holes or embedded circuitry, or electronic ...

  5. Mac App Store - Wikipedia

    en.wikipedia.org/wiki/Mac_App_Store

    The Mac App Store (also known as the App Store) is a digital distribution platform for macOS apps, often referred to as Mac apps, [ 1 ] created and maintained by Apple Inc. The platform was announced on October 20, 2010, at Apple's "Back to the Mac" event. [ 2 ][ 3 ][ 4 ] Apple began accepting app submissions from registered developers on ...

  6. Mac OS X Snow Leopard - Wikipedia

    en.wikipedia.org/wiki/Mac_OS_X_Snow_Leopard

    Mac OS X Snow Leopard (version 10.6) (also referred to as OS X Snow Leopard[ 10 ]) is the seventh major release of macOS, Apple 's desktop and server operating system for Macintosh computers. Snow Leopard was publicly unveiled on June 8, 2009 at Apple’s Worldwide Developers Conference. On August 28, 2009, it was released worldwide, [ 2 ] and ...

  7. USB flash drive - Wikipedia

    en.wikipedia.org/wiki/USB_flash_drive

    A Kingston card reader which accepts MicroSD memory cards (Transcend card shown partially inserted), and acts as a USB flash drive On a USB flash drive, one end of the device is fitted with a single USB plug ; some flash drives additionally offer a micro USB plug, facilitating data transfers between different devices.

  8. List of built-in macOS apps - Wikipedia

    en.wikipedia.org/wiki/List_of_built-in_macOS_apps

    Calendar, previously known as iCal before OS X Mountain Lion, is a personal calendar app made by Apple Inc., originally released as a free download for Mac OS X v10.2 on September 10, 2002, before being bundled with the operating system as iCal 1.5 with the release of Mac OS X v10.3. It tracks events and appointments added by the user and ...

  9. Calibre (software) - Wikipedia

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

    calibre-ebook.com. Calibre is a cross-platform free and open-source suite of e-book software. Calibre supports organizing existing e-books into virtual libraries, displaying, editing, creating and converting e-books, as well as syncing e-books with a variety of e-readers. Editing books is supported for EPUB and AZW3 formats.