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The history of wired communication devices dates back to the mid-19th century. From the first telegraph message in 1844 to the invention of the telephone by Alexander Bell in 1876, and the development of fax and modem technologies, these devices have played a crucial role in providing reliable communication services

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Taqdimotlar | Tarix

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PPTX

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11 bet

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984.77 KB

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Qo'shilgan

12.03.2026