At a certain time,the average size of a transistor in a microprocessor was 250 nanometers.A human hair has a diameter of 70 microns (micrometers).How many transistors fit across a human hair?
A)280
B)28
C)2800
D)2.8
E)0.28

Question

Quizplus · Accepted Answer

A human hair is 70 micrometers, which is 70,000 nanometers. Dividing 70,000 nanometers by the size of a transistor (250 nanometers) gives 280 transistors fitting across a human hair.

At a Certain Time,the Average Size of a Transistor in a Microprocessor