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Embedded Systems Flashcards
OCR GCSE J277 Computer Science specification
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Embedded System
A computer system built into another device to perform specific tasks.
Purpose of Embedded Systems
To control or manage specific functions within a larger device.
Examples of Embedded Systems
Washing machines, traffic lights, digital cameras, and medical devices.
Characteristics of Embedded Systems
Dedicated to specific tasks, often with limited functionality.
Hardware in Embedded Systems
Includes a processor, memory, and input/output interfaces.
Software in Embedded Systems
Designed to perform specific tasks efficiently and reliably.
Advantages of Embedded Systems
Low power consumption, small size, and cost-effective for specific tasks.
Disadvantages of Embedded Systems
Limited flexibility and difficult to upgrade or repair.
Real-Time Embedded Systems
Systems that must respond immediately to inputs, e.g., airbag systems in cars.
Difference Between Embedded and General-Purpose Systems
Embedded systems are task-specific, while general-purpose systems can perform multiple tasks.
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