📱 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!

  • google app store apple app store
  • ✖

      Question

      The vacuum tube that was used in the first generation of

      computers is also called ______.
      A Open circuit Correct Answer Incorrect Answer
      B Closed circuit Correct Answer Incorrect Answer
      C Connector Correct Answer Incorrect Answer
      D Valve Correct Answer Incorrect Answer

      Solution

      Vacuum tubes, also called a valve are electronic devices that use a vacuum to insulate and shield against electric currents. They were cylindrical glass tubes that controlled the flow of electrons. 

      Practice Next
      ask-question