What does GPIO stand for in computing?

The term GPIO stands for General Purpose Input Output. This designation refers to a type of pin found on a microcontroller or single-board computer that can be configured for either input or output functions. Each GPIO pin can be set to a high or low state, allowing for versatility in controlling and interfacing with various hardware components, such as sensors, actuators, lights, and other digital devices.

GPIO is integral to various computing applications, particularly those involving embedded systems and hardware interfacing, where it enables developers to create custom configurations for controlling devices without needing specialized communication protocols. The flexibility of GPIO pins means they can be used in a wide range of projects, from simple LED blinking to more complex robotics applications.

The other options presented do not accurately reflect the established definition of GPIO in computing contexts, making them less relevant.