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Hardware Components of Embedded Systems: Microcontroller vs Microprocessor
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Hardware Components of Embedded Systems: Microcontroller vs Microprocessor

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Questions and Answers

What is the main purpose of a microcontroller in an embedded system?

  • Execute instructions (correct)
  • Convey information to the external environment
  • Hold firmware
  • Collect data from the environment
  • Which memory type provides volatile storage for data and program execution in an embedded system?

  • Cache memory
  • ROM
  • RAM (correct)
  • Flash memory
  • What is the function of actuators in an embedded system?

  • Trigger physical actions based on processed data (correct)
  • Collect data from the environment
  • Hold firmware
  • Convey information to the external environment
  • Which communication interface is a synchronous serial communication interface commonly used in embedded systems?

    <p>SPI</p> Signup and view all the answers

    What is the purpose of the power supply in an embedded system?

    <p>Provide necessary electrical power for operation</p> Signup and view all the answers

    Which component is essential for applications that require time-sensitive operations?

    <p>Real-Time Clock (RTC)</p> Signup and view all the answers

    What is the function of a Watchdog Timer in an embedded system?

    <p>Reset the system if it fails to respond in a specified timeframe</p> Signup and view all the answers

    Which component is responsible for converting digital signals to analog outputs?

    <p>Digital-to-Analog Converters (DAC)</p> Signup and view all the answers

    What is the main function of Bus Systems in an embedded system?

    <p>Facilitate communication between different components</p> Signup and view all the answers

    Which components act as physical interfaces for external devices to connect to an embedded system?

    <p>Connectors and Ports</p> Signup and view all the answers

    What is the primary function of a Real-Time Clock (RTC) in an embedded system?

    <p>Keeps track of time even when the system is powered off</p> Signup and view all the answers

    Which component would you expect to find responsible for resetting the system or taking corrective actions if the software fails to respond within a specified timeframe?

    <p>Watchdog Timer</p> Signup and view all the answers

    In an embedded system, what is the primary role of a Clock Source?

    <p>Synchronizing operation of system components</p> Signup and view all the answers

    Which component's main purpose is to convert digital signals to analog outputs in an embedded system?

    <p>Digital-to-Analog Converters (DAC)</p> Signup and view all the answers

    What are the primary functions of External Power Sources in an embedded system?

    <p>Provides power to components like voltage regulators and batteries</p> Signup and view all the answers

    What is the primary function of ROM in an embedded system?

    <p>Stores firmware or software that is permanently stored and typically not modified</p> Signup and view all the answers

    Which component directly interacts with the external environment in an embedded system?

    <p>Actuators</p> Signup and view all the answers

    What is the key feature of UART in an embedded system?

    <p>Acts as a communication interface with other devices</p> Signup and view all the answers

    What is the main role of sensors in an embedded system?

    <p>Collect data from the environment</p> Signup and view all the answers

    Which element is crucial for providing electrical power to operate an embedded system?

    <p>Power Supply</p> Signup and view all the answers

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