When Metro transmits digital data-numeric data,text,graphics,photos,video,and voice-from one computer to another through a variety of both wired and wireless communication channels,it's taking advantage of what are called data communication networks.

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Data communication networks facilitate the transmission of digital data including numeric data, text, graphics, photos, video, and voice between computers or devices using both wired and wireless communication channels.

When Metro Transmits Digital Data-Numeric Data,text,graphics,photos,video,and Voice-From One Computer to Another