Pearson 1CP2 - 3.1 - Embedded Devices and IoT

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Embedded System

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A small computer designed to perform one specific function

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Explain the difference between an embedded system and a general purpose computer.

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An embedded system is specialised for a specific task or set of tasks, while a general purpose computer is designed to be flexible and capable of performing a wide range of tasks.

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Embedded systems are generally small and...

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inexpensive

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Many embedded systems are designed to react immediately to an external event or request. They are said to operate in...

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real-time

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The main component of an embedded system is called a...

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microcontroller

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Within a microcontroller you will find...

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Internal components like CPU, memory, and I/O ports all on a single chip.

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Internet of Things (IoT)

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Devices embedded with sensors, software, and other technologies that exchange data with other devices on the internet.

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What is an IoT device considered to be?

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Embedded System

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What is considered a growing concern with the wider use of IoT devices?

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Security and privacy risks

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What is the power consumption of an IoT device?

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Low power consumption