A wireless communication interface is a category of interface standards that transmit and receive data using radio waves or infrared light, with no physical cable required. Prominent examples include Bluetooth and IrDA (Infrared Data Association), both of which enable short-range data communication without connecting cables. In contrast, USB and IEEE 1394 require a wired connection and are therefore classified as wired interfaces.

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• 2016h28h #99インタフェースの規格①～④のうち，接続ケーブルなどによる物理的な接続を必要としない規格だけを全て挙げたものはどれか。 ① Bluetooth ② IEEE 13…