阿摩線上測驗
37. What is the size of a circuit in a silicon chip?
(A) 1/1000 the diameter of a human hair.
(B) One thousand times the diameter of a human hair.
(C) 9/10 the diameter of a human hair.
(D) Experts must work in sterile “clean rooms” to make silicon chips.
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統計： A(48), B(5), C(12), D(0), E(0) #2365547
統計： A(48), B(5), C(12), D(0), E(0) #2365547