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Which statement best describes the role of GPIO pins on a Raspberry Pi?

easy📝 Conceptual Q2 of 15
Raspberry Pi - GPIO Basics with Python
Which statement best describes the role of GPIO pins on a Raspberry Pi?
AThey provide power to the Raspberry Pi
BThey store the Raspberry Pi's operating system
CThey allow the Raspberry Pi to communicate with external hardware
DThey connect the Raspberry Pi to the internet
Step-by-Step Solution
Solution:

  1. Step 1: Identify GPIO pin function

    GPIO pins are designed to send and receive signals to control or read external devices.

  2. Step 2: Match role to options

    Only They allow the Raspberry Pi to communicate with external hardware correctly states GPIO pins enable communication with hardware outside the Pi.

  3. Final Answer:

    They allow the Raspberry Pi to communicate with external hardware -> Option C

  4. Quick Check:

    GPIO role = Hardware communication [OK]
Quick Trick: GPIO pins link Pi to hardware, not internet or storage [OK]
Common Mistakes:
  • Confusing GPIO with power supply
  • Thinking GPIO stores data
  • Assuming GPIO manages network

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