Examlex
____ is an efficient remote-access method used to connect thin clients to a network.
Radio Signals
Electromagnetic waves emitted by a transmitter and received by an antenna, used for communication.
Antennas
Devices designed to transmit or receive radio waves or other forms of electromagnetic radiation, widely used in telecommunication.
QR Codes
Quick Response Codes; machine-readable optical labels that contain information about the item to which they are attached, often used to store URLs or other data accessible by scanning with a mobile device.
Bar Codes
A series of lines of varying widths and spacings which represent data, scanned and read to identify a product or object.
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