S - Definitions

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  • S

    satellite

    A satellite is any object that orbits something else, as, for example, the Earth orbits the sun.

  • sideloading

    Sideloading is the installation of an application on a mobile device without using the device's official application distribution method.

  • Siri

    Siri is Apple's virtual assistant for iOS, macOS, tvOS and watchOS devices that uses voice recognition and is powered by artificial intelligence (AI).

  • smartphone

    A smartphone is a cellular telephone with an integrated computer and other features not originally associated with telephones, such as an operating system (OS), web browsing and the ability to run software applications.

  • smishing (SMS phishing)

    Smishing -- or Short Message Service (SMS) phishing -- is a social engineering tactic cybercriminals use to trick people into divulging sensitive information over text messages.

  • Snapchat

    Snapchat is a mobile app that allows users to send and receive "self-destructing" photos and videos. Photos and videos taken with the app are called snaps.

  • spectrum efficiency

    Spectrum efficiency describes the amount of data transmitted over a given spectrum or bandwidth with minimum transmission errors.

  • What is a SIM card and how does it work?

    A SIM card, also known as a subscriber identity module, is a smart card that stores the information necessary for a smartphone to connect to a mobile network.

  • What is an SSID (service set identifier)?

    An SSID (service set identifier) is a sequence of characters that uniquely names a Wi-Fi network. An SSID is sometimes referred to as a network name.

  • What is Samsung Galaxy?

    Samsung Galaxy is a product line of Android smartphones, tablets and internet of things devices manufactured by Samsung Electronics.

  • What is short message service center (SMSC)?

    The short message service center (SMSC) is the portion of a mobile phone network that handles text message operations.

  • What is SMS (Short Message Service)?

    SMS (Short Message Service), commonly referred to as 'text messaging,' is a service for sending short messages of up to 160 characters (224 character limit if using a 5-bit mode) to mobile devices, including cellular phones, smartphones and tablets.