An embedded system is a computer system that is designed to perform specific functions within a larger system or device. It is typically a microcontroller or microprocessor-based system that is integrated into a larger system or product, such as a car, a medical device, a home appliance, or a smartphone.
Embedded systems are designed to perform dedicated tasks and operate in real-time with very specific constraints, such as limited processing power, memory, and energy consumption.
They are usually programmed with low-level programming languages, such as C and assembly, and use specialized hardware and software components to perform their tasks efficiently.
Some common features of embedded systems include:
- Real-time operation: Embedded systems are often designed to operate in real-time, meaning they must respond to external events or inputs within specific time constraints.
- Small size and low power consumption: Embedded systems are often designed to be small and consume very little power, making them suitable for use in portable or battery-powered devices.
- Specific functionality: Embedded systems are designed to perform specific functions within a larger system or device, such as controlling a motor, collecting data from sensors, or processing audio and video signals.
- Limited resources: Embedded systems typically have limited processing power, memory, and storage resources, which requires careful optimization of software and hardware components.
Embedded systems are used in a wide range of applications, from consumer electronics and home appliances to industrial automation and medical devices. They are essential components of many modern devices and systems, and their importance is expected to continue to grow in the future.