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How does a microchip work?
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Quick answer
A microchip works by packing millions or billions of tiny switches called transistors onto a small piece of silicon. By switching these on and off in patterns, the chip processes information as the 1s and 0s of binary code. It's built on a wafer of silicon, a semiconductor that can both conduct and block electricity.
Step by step
- It's built on a wafer of silicon, a semiconductor that can both conduct and block electricity.
- Its core components are transistors — microscopic switches that turn current on or off.
- On and off represent the 1s and 0s of binary, the language of computers.
- Billions of transistors are wired into circuits that do math and store data.
- Smaller transistors mean more fit on a chip — which has driven decades of faster computers.
People also ask
What does a microchip actually do?
It processes and stores information by switching billions of tiny transistors on and off in patterns, carrying out the calculations that run software.
What is a transistor?
A microscopic electronic switch. Turning it on or off represents a 1 or a 0, and combining billions of them lets a chip compute and store data.
Why do smaller transistors matter?
Smaller transistors let more fit on a chip, making it faster and more efficient. This shrinking is the basis of 'Moore's Law' and decades of computing progress.