Hardware Components of Embedded Systems: Microcontroller vs Microprocessor

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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?

SPI (D) Signup and view all the answers

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

Provide necessary electrical power for operation (D) Signup and view all the answers

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

Real-Time Clock (RTC) (A) Signup and view all the answers

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

Reset the system if it fails to respond in a specified timeframe (A) Signup and view all the answers

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

Digital-to-Analog Converters (DAC) (D) Signup and view all the answers

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

Facilitate communication between different components (C) Signup and view all the answers

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

Connectors and Ports (C) Signup and view all the answers

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

Keeps track of time even when the system is powered off (D) 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?

Watchdog Timer (D) Signup and view all the answers

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

Synchronizing operation of system components (A) Signup and view all the answers

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

Digital-to-Analog Converters (DAC) (B) Signup and view all the answers

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

Provides power to components like voltage regulators and batteries (A) Signup and view all the answers

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

Stores firmware or software that is permanently stored and typically not modified (B) Signup and view all the answers

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

Actuators (A) Signup and view all the answers

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

Acts as a communication interface with other devices (D) Signup and view all the answers

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

Collect data from the environment (C) Signup and view all the answers

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

Power Supply (A) Signup and view all the answers