what is micro controller

A microcontroller, also known as a microcontroller unit (MCU) or μC, is a small computer on a single integrated circuit designed to control specific tasks within electronic systems. It typically contains one or more CPUs, memory, and programmable input/output peripherals on a single chip. Microcontrollers are widely used in embedded systems, such as home appliances, automotive systems, medical devices, and industrial control systems, as well as in consumer electronics products. They are used in a wide range of applications, including in vehicles, robots, office machines, medical devices, mobile radio transceivers, vending machines, home appliances, gaming systems, digital cameras, and audio players