PrepTest 63, Section 2, Question 9
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. 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.
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. 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.
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. 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.
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. 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.
Which one of the following can be properly inferred from the computer scientist's statements?
The only effective way to double the computing speed of computer microchips is to increase the number of transistors per microchip.
From the mid-1990s into the next decade, there was little if any increase in the retail cost of computers as a result of the increased number of transistors on microchips.
For the last several decades, computer engineers have focused on increasing the computing speed of computer microchips without making any attempt to control the cost of producing them.
From the mid-1990s into the next decade, a doubling in the cost of fabricating new computer microchips accompanied each doubling in the number of transistors on those microchips.
It is unlikely that engineers will ever be able to increase the computing speed of microchips without also increasing the cost of producing them.
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