Embedded Systems Introduction Quiz
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Embedded Systems Introduction Quiz

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Questions and Answers

Which characteristic best describes Fourth Generation embedded systems?

  • Includes reconfigurable processors (correct)
  • Limited to simple applications
  • Utilizes low-cost components exclusively
  • Built around 8-bit microprocessors

    • What type of embedded systems are built around 16-bit microprocessors?

  • Second Generation (correct)
  • First Generation
  • Fourth Generation
  • Third Generation

    • What is the clock frequency of the Command Module?

  • 2.048MHz
  • 1.024MHz (correct)
  • 1.024KHz
  • 1.024GHz

    • Which of the following is an example of a small-scale embedded system?

    <p>Digital Telephone Keypads</p> Signup and view all the answers

    What is an important mechanical aspect in robotics?

    <p>Mechanical design</p> Signup and view all the answers

    What is the primary trait of Third Generation embedded systems?

    <p>Complex instruction set</p> Signup and view all the answers

    Which embedded systems classification is characterized by high performance and multicore processors?

    <p>Large Scale/Complex</p> Signup and view all the answers

    What type of data can embedded systems collect?

    <p>Both analog and digital data</p> Signup and view all the answers

    What embedded system was the first mass-produced embedded system?

    <p>Autonetics D-17 Guidance Computer</p> Signup and view all the answers

    Which of these devices is considered a dedicated data transmission system?

    <p>A network hub</p> Signup and view all the answers

    What differentiates Medium Scale embedded systems from Small Scale systems?

    <p>Inclusion of GPOS/RTOS</p> Signup and view all the answers

    What is one of the purposes of embedded systems?

    <p>Data communication</p> Signup and view all the answers

    What type of robots have been recently designed?

    <p>Robots modeled after animals or human beings</p> Signup and view all the answers

    Which interface is NOT typically used for data transmission in embedded communication systems?

    <p>Optical fiber connection</p> Signup and view all the answers

    What is the primary function of data collection in embedded systems?

    <p>For acquisition from the external world</p> Signup and view all the answers

    What is a typical application of embedded data communication systems?

    <p>Complex satellite communication systems</p> Signup and view all the answers

    What is a significant aspect of mobile phone design that has contributed to its growth?

    <p>Radio frequency design</p> Signup and view all the answers

    Which area is experiencing an increased demand for healthcare products?

    <p>Aging societies</p> Signup and view all the answers

    How can embedded systems enhance security?

    <p>Through biometric identification and authentication</p> Signup and view all the answers

    What feature of the SMARTpen® allows it to verify the authenticity of a signature?

    <p>Physical parameters like tilt, force, and acceleration</p> Signup and view all the answers

    Which technology is increasingly integrated into consumer electronics for enhanced services?

    <p>Digital signal processing techniques</p> Signup and view all the answers

    What characteristic has been typical for fabrication equipment involving embedded systems?

    <p>Long history of employment</p> Signup and view all the answers

    What is one benefit of using advanced digital signal processing in video and audio equipment?

    <p>Improvement in service quality</p> Signup and view all the answers

    Which of the following is NOT a characteristic of the SMARTpen®?

    <p>Records audio while signing</p> Signup and view all the answers

    What is the primary data rate range supported by infrared technology?

    <p>9600 bps to 16 Mbps</p> Signup and view all the answers

    Which modulation scheme was originally used in Bluetooth technology?

    <p>Gaussian frequency-shift keying (GFSK)</p> Signup and view all the answers

    Which characteristic is associated with Bluetooth's frequency-hopping spread spectrum?

    <p>Transmitting data in packets</p> Signup and view all the answers

    Which of the following modulation schemes was introduced with Bluetooth 2.0+EDR?

    <p>8DPSK</p> Signup and view all the answers

    What is the tick interval of the basic clock defined by the Bluetooth master?

    <p>312.5 µs</p> Signup and view all the answers

    What is the maximum number of slave devices that a Bluetooth master can communicate with in a piconet?

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

    How many designated Bluetooth channels are available for data transmission?

    <p>79</p> Signup and view all the answers

    What is the frequency range utilized by Bluetooth technology for data exchange?

    <p>2.4 to 2.485 GHz</p> Signup and view all the answers

    What is the primary purpose of an embedded system?

    <p>To perform a dedicated function within a larger system.</p> Signup and view all the answers

    In a real-time system, what is a critical factor regarding its operations?

    <p>It must meet specific timing constraints to complete tasks.</p> Signup and view all the answers

    Which component is NOT typically considered a common system component of an embedded system?

    <p>Networking hardware</p> Signup and view all the answers

    Which of the following requirements does NOT directly affect the design choices of an embedded system?

    <p>End-user satisfaction</p> Signup and view all the answers

    What does nonrecurring engineering (NRE) refer to in the context of embedded systems?

    <p>The cost of hardware and software design processes.</p> Signup and view all the answers

    How does power consumption affect embedded system design choices?

    <p>It is evaluated using the mW/MIPS metric.</p> Signup and view all the answers

    What factor is commonly used to measure the processing power of an embedded system?

    <p>Millions of instructions per second (MIPS) rating.</p> Signup and view all the answers

    What is the significance of deadlines in real-time systems?

    <p>They define the timeliness of calculations or activities.</p> Signup and view all the answers

    Study Notes

    Embedded Systems: Introduction

    • An embedded system is a combination of computer hardware and software, designed to perform a specific function within a larger system.
    • Embedded systems often integrate with general-purpose computers, but can sometimes be built without a dedicated processor or software.

    Real-Time Systems

    • Real-time systems operate with timing constraints, meaning they must perform calculations or decisions within specific deadlines.
    • The deadline for a real-time system can vary, from milliseconds to hours.

    Common Components of an Embedded System

    • Processor: executes the software instructions.
    • Software: includes the program instructions that control the embedded system.
    • Memory:
      • RAM (Random Access Memory): temporary storage for active data and programs.
      • ROM (Read Only Memory): stores permanent data and programs.
    • Inputs and Outputs: allow the embedded system to interact with the surrounding environment.

    Requirements Influencing Design Choices

    • Processing Power: Determined by the workload the processor can handle, often measured in MIPS (millions of instructions per second).
    • Memory (ROM & RAM): Amount required to store the executable program and data it processes.
    • Number of Units (Production Run): Impacts manufacturing costs and design choices.
    • Power Consumption: How much power is used during operation, often measured in mW/MIPS (milliwatts per MIPS) for portable devices.
    • Development Cost: Costs incurred for hardware and software design, referred to as NRE (nonrecurring engineering).
    • Lifetime: Expected duration of the product’s use.

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    Description

    Test your understanding of embedded systems, including their components and real-time operation. This quiz covers essential concepts such as processors, memory, and the nature of timing constraints in real-time systems. Challenge your knowledge of how embedded systems function within larger systems.

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