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2021 JUN 3

Preliminary   > Science and Technology   >   Miscellaneous   >   Digital technology

Why in news?

  • Kerala government recently used geo fencing technology to enforce lock down norms in the state.

About Gofencing

  • Geofencing is a location-based service in which an app or other software uses GPS, RFID, Wi-Fi or cellular data to trigger a pre-programmed action when a mobile device or RFID tag enters or exits a virtual boundary set up around a geographical location, known as a geofence.
  • To make use of geofencing, an administrator or developer must first establish a virtual boundary around a specified location in GPS- or RFID-enabled software.
  • This virtual geofence will then trigger a response when an authorized device enters or exits that area, as specified by the administrator or developer.
  • The Centre is using powers under the Indian Telegraph Act to “fetch information” from telecom companies every 15 minutes to track COVID-19 cases across the country.

Prelims Question

Which of the following statements best explains ‘geofencing’?
(a)Application or service that triggers alerts if a device crossed virtual boundaries set on a geographical location.
(b)Process of adding geographical identification metadata to various media such as a photograph or video.
(c)Identification or estimation of the real-world geographic location of an object.
(d)Method of land and sub surface surveying using GPS that presents a detailed view of a site and the surrounding area.

Answer to the Prelims Question