Computer manufacturers have sought to make computer chips ever smaller, since decreasing the size of a computer's central processing unit (CPU) chip—without making that CPU chip any less sophisticated—will proportionally increase the speed of the CPU chip and the computer containing it. But since CPU their sophistication, computers cannot currently be made significantly faster.
What this question is testing
Your task
Find the assumption the argument requires in order for its conclusion to hold.
Common trap
Answers that would help the argument but aren't strictly required (sufficient, not necessary).
Winning move
Negate each choice — the right one breaks the argument when negated.
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