An embedded system is a computer system that consists mostly of hardware and software components and is intended to carry out specific tasks within a broader system, frequently with real-time computing limitations.
Embedded systems have specific needs and limitations, designing them presents a number of issues.

Some of the principal difficulties are:

Hardware Restrictions: Embedded systems frequently have constrained memory, processor, and storage capacities, programmers must optimize their code and algorithms to make the best use of their available resources.

Real-Time Requirements: A lot of embedded systems have to operate in real-time, which means they have to react to inputs in a set amount of time.

Power Management: To increase battery life, embedded systems in mobile or battery-operated devices must be energy-efficient.

System Reliability: Reliability is an essential component in many embedded applications. To avoid this, designers must guarantee robustness, fault tolerance, and error management.

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