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সাবমেরিন ক্যাবল: ইন্টারনেটের মূল ভিত্তি

বিশ্বের প্রায় ১২ লক্ষ কিলোমিটার জুড়ে ছড়িয়ে আছে ৪০৬টিরও বেশি সাবমেরিন ক্যাবল!

A submarine communications cable is a cable laid on the sea bed between land-based stations to carry telecommunication signals across stretches of ocean and sea. The first submarine communications cables laid beginning in the 1850s carried telegraphy traffic, establishing the first instant telecommunications links between continents, such as the first transatlantic telegraph cable which became operational on 16 August 1858. Subsequent generations of cables carried telephone traffic, then data communications traffic. Modern cables use optical fibre technology to carry digital data, which includes telephone, Internet and private data traffic.

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