1.1.3 - Embedded Systems
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What is an embedded system?
A specific/specialised computer system with a dedicated function within a larger mechanical system. mark scheme bits: * Has a specific purpose // it only performs one/limited task // dedicated to the [given] system * Built within a larger device/car * Dedicated/specific/its own hardware / sensors * Has a microprocessor * Built-in operating system/software // software is all in firmware/ROM * …it’s instructions/operation does not/is hard to change/update * It is a control system // it is automated
What are the common properties of embedded systems?
Low power consumption, Small in size, Low cost per unit.
What are some examples of embedded systems?
Traffic lights, Microwave, Washing Machine, Satellite-Navigation systems.