In today's world, embedded systems are used all over our mobile phones, from entry control systems in our workplaces to CNCs in production bands.
Embedded systems correspond to the embedding of software that can perform that task on a piece of equipment designed as an application-specific or larger application or part of the product.
a) Embedded systems are implemented and singular functions; the application is already known, the steps are run repeatedly.
b) Efficiency is of vital importance for embedded systems. Energy, code size, processing times, weight & size and cost should be optimized.
c) Embedded systems are typically designed to meet real-time needs, a real-time system triggered by a device or operator at any time within the environment in which it is located. All triggers must respond as fast as necessary. Late answers (or very early answers) are errors.
d) Embedded systems often interact with the environment through sensors or actuators, so they are interactive systems. What is needed for continuous interaction is to keep pace with the rate of interaction that the environment imposes.
e) They do not have interfaces. If it is, it will be very limited.
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