Computers built before the first generation of computers were
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Computers built before the first Generation of computers were
कम्प्यूटरों की पहली पीढ़ी के पहले निर्मित कंप्यूटर थेSelect one:O a. Electricalइलेक्ट्रिकलOb. MechanicalमैकेनिकलO C. Electro-mechanicalइलेक्ट्रो मैकेनिकलOd. Noneकोई नहीं