A Single Board Computer (SBC) is a complete computer built on a single circuit board. It includes a microprocessor, memory, input/output ports, and other essential components. SBCs are compact and energy-efficient, making them ideal for embedded systems, robotics, and educational projects. These computers are often used in various applications, from home automation to industrial control systems. Popular examples of SBCs include the Raspberry Pi and Arduino. Their versatility and affordability have made them popular among hobbyists, educators, and professionals looking to develop innovative solutions.