Logical Reasoning

PT133 · S1 · Q9 Computer scientist: For several

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Computer scientist: For several decades, the number of transistors on new computer microchips, and hence the microchips' computing speed, has doubled about every 18 months.

Given

For several decades, the number of transistors on new computer microchips, and hence the microchips’ computing speed, has doubled about every 18 months.

However, from the mid-1990s into the next decade, each such doubling in a microchip’s computing speed was accompanied by a doubling in the cost of producing that microchip.

9.

Which one of the following can be properly inferred from the computer scientist's statements?

  1. The only effective way to

    Unsupported Relationship / Too Strong

    The statements do not suggest that increasing the number of transistors per microchip led to doubling the computing speed of computer microchips.

    3% picked this

  2. From the mid-1990s into the

    Out of Scope

    The retail cost of computers is not discussed in the statements.

    1% picked this

  3. For the last several decades,

    Out of Scope

    The focus of computer engineers is not discussed in the statements.

    6% picked this

  4. Correct

    From the mid-1990s into the

    Why this is right

    This restates the second premise.

    Skill tested: Must be True · how this choice captures the argument's function is the move to repeat next time.

    83% picked this

  5. It is unlikely that engineers

    Speculation

    The statements do not imply anything about the future.

    6% picked this

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