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মোবাইল ফোনের জনক কে ?

Ferdows blog

প্রশ্নঃ মোবাইল ফোনের জনক কে ?

ক. মার্টিন কুপার

খ. মার্ক জাকারবার্গ

গ. সার্জেই বিন

ঘ. বিল গেটস

উত্তরঃ মার্টিন কুপার ।

ব্যাখ্যাঃ মোবাইল ফোনের জনক মার্টিন কুপার । প্রথম মোবাইল ফোন তৈরি হয়েছিল ১৯৭৩ সালে ।

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