Infrared Data Association, a standard for wireless data transmission using infrared light between electronic devices.
Acronym formed in 1993 from 'Infrared Data Association,' combining 'infrared' (from Latin 'infra' meaning below and 'red' referring to the electromagnetic spectrum) with 'data' (Latin 'datum' meaning something given). The association was created to establish standards for short-range wireless communication.
IrDA technology was revolutionary in the 1990s, allowing devices like laptops and phones to communicate wirelessly for the first time, though it required direct line-of-sight alignment. This technology paved the way for modern wireless standards like Bluetooth and WiFi, yet IrDA ports can still be found on some industrial and medical equipment today.
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