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From a hardware view, computers rely on digital electronics and the physics of materials used to build:
ATransistors
BTrolleys
CTurbines
DTelescopes
Answer & Solution
Correct answer: A. Transistors
1. The components are tiny switches.
2. Materials physics makes them work.
3. They are transistors.
_Source: OpenStax Introduction to Computer Science, Chapter 1, Introduction to Computer Science._
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