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      Question

      The first generation of the computers used

      _______?
      A Microprocessors Correct Answer Incorrect Answer
      B Vacuum tubes Correct Answer Incorrect Answer
      C Transistors Correct Answer Incorrect Answer
      D Integrated Circuits Correct Answer Incorrect Answer

      Solution

      Explanation: First-generation computers (1940–1956) used vacuum tubes for circuitry and magnetic drums for memory, making them large and inefficient.

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