Embedded Systems Introduction CENG 328: Lecture 02
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Questions and Answers

What is the main function of the Central Processing Unit (CPU) in an embedded system?

  • Interacting with external peripherals
  • Storing temporary data in registers
  • Performing computing tasks and logical computations (correct)
  • Holding the program in flash memory

    • Which component is responsible for holding the program in an embedded system?

  • Flash memory (correct)
  • Data Bus
  • Registers
  • Address Bus

    • What is the role of the external cooling system in a microcontroller?

  • Maintaining the temperature of the microcontroller (correct)
  • Storing temporary data
  • Interacting with external peripherals
  • Performing computing tasks

    • Which component of a microcontroller is responsible for providing a clock source?

    <p>Built-in oscillator</p> Signup and view all the answers

    In an embedded system, what is the purpose of I/O peripherals?

    <p>Interacting with external peripherals</p> Signup and view all the answers

    What is the main function of the Control Unit in a microcontroller?

    <p>Controlling the flow of data within the microcontroller</p> Signup and view all the answers

    What is a microcontroller?

    <p>A device that contains a CPU, memory, and other peripherals</p> Signup and view all the answers

    What are some common communication interfaces for microcontrollers?

    <p>USB and Ethernet</p> Signup and view all the answers

    What is the difference between RISC and CISC instruction set architectures?

    <p>RISC has fewer instructions but they execute faster than CISC</p> Signup and view all the answers

    What is a key consideration when choosing a microcontroller?

    <p>Number of I/O pins</p> Signup and view all the answers

    Which architecture does a microcontroller's memory belong to?

    <p>Von Neumann</p> Signup and view all the answers

    What are common peripherals in a microcontroller?

    <p>Digital lines and analog lines</p> Signup and view all the answers

    What is the core architecture of an ARM Cortex-M3 based microcontroller?

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

    Which microcontroller has a 32-bit ARM Cortex-M4 based core architecture?

    <p>STM32L476 ARM Cortex-M4 based microcontroller</p> Signup and view all the answers

    What is a key challenge in embedded system design?

    <p>Balancing speed and power consumption</p> Signup and view all the answers

    Which of the following is NOT a classification of microcontrollers?

    <p>Core Frequency Range</p> Signup and view all the answers

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