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    Question

    Directions: In the following question, a part of the

    sentence is bold. Below the sentence alternatives to the bold part are given at (A), (B), (C), and (D) which may improve the sentence. Choose the correct alternative. In case the given sentence is correct, your answer is (E) Moore’s Law has held for well onto half a century now, though chip designers keep thinking they may be running up against molecular limits.
    A off well to Correct Answer Incorrect Answer
    B for well over Correct Answer Incorrect Answer
    C of well over Correct Answer Incorrect Answer
    D to well through Correct Answer Incorrect Answer
    E No replacement required Correct Answer Incorrect Answer

    Solution

    "For well over" in this context means that Moore's Law has been in effect for a considerable amount of time, specifically more than half a century. It suggests that the law has been applicable for a long period, even beyond what one might have expected. The other options do not convey the same sense of extended duration, making "for well over" the most appropriate choice in this context.

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