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  2. Questions Bank
  3. 4th Class
  4. Computers Science
  5. Heredity and Evolution

4th Class Computers Science Heredity and Evolution Question Bank Evolution of Computers

  • question_answer
    What is this device called?

    A) Microchip          

    B) Vacuum tube  

    C) Transistor          

    D)        VLSI

    Correct Answer: B

    Solution :

    The given image is of vacuum tube which was used in first generation computers.


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