Vacuum tubes have been replaced by__________?

AConductors

BDiodes

CTransistors

DNone of these

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Correct Answer: C: Transistors

Explanation: The correct answer is C: Transistors. Vacuum tubes have been replaced by transistors in electronic devices. Transistors are smaller, more efficient, and more reliable than vacuum tubes, revolutionizing electronics and enabling modern computing.

Vacuum tubes have been replaced by__________?

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