Microcontroller Chapter 4: CISC Architecture Quiz
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Questions and Answers

In the context of computer architecture, what does CISC stand for?

  • Centralized Instructional Set Compiler
  • Conventional Integrated System Controller
  • Customized Instructional Structure Configuration
  • Complex Instruction Set Computer (correct)
  • What is a key disadvantage of the CISC architecture?

  • It causes higher power consumption (correct)
  • It leads to a higher RAM usage
  • It reduces power consumption
  • It results in a simpler software approach
  • What is the primary advantage of RISC architecture over CISC architecture?

  • Programmer simplicity (correct)
  • Complex hardware approach
  • Higher RAM usage
  • Lower power consumption
  • What type of architecture do AVR microcontrollers use?

    <p>Harvard architecture</p> Signup and view all the answers

    Which category of AVR microcontroller is suitable for simple applications with less memory and small size?

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

    What is the main advantage of RISC processors over CISC processors?

    <p>Less programming complexity</p> Signup and view all the answers

    Which company introduced the RISC-based AVR microcontrollers?

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

    What characteristic defines the RISC processor architecture?

    <p>Simple hardware and less programming complexity</p> Signup and view all the answers

    What is the key feature of AVR Mega microcontrollers?

    <p>Good amount of memory up to 256KB</p> Signup and view all the answers

    What programming-related challenge is associated with RISC processors?

    <p>Explicit instructions for loading and storing</p> Signup and view all the answers

    Which type of memory is used for storing the program code in AVR microcontrollers?

    <p>Flash Memory</p> Signup and view all the answers

    What is the purpose of the Analog-to-Digital Converter (ADC) in AVR microcontrollers?

    <p>Convert analog signals to digital signals</p> Signup and view all the answers

    Which component is responsible for generating the clock signals in AVR microcontrollers?

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

    What type of architecture are AVR CPUs based on?

    <p>Modified Harvard architecture</p> Signup and view all the answers

    Which type of memory is used for data storage during program execution in AVR microcontrollers?

    <p>SRAM (Static Random Access Memory)</p> Signup and view all the answers

    What is the function of the Interrupt Controller in AVR microcontrollers?

    <p>Support interrupts, allowing the CPU to respond to certain events or signals immediately</p> Signup and view all the answers

    How many clock sources are located inside the ATmega chip in AVR microcontrollers?

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

    Which clock source inside the ATmega chip is internally not accurate and gets affected by voltage and temperature?

    <p>128KHz clock source</p> Signup and view all the answers

    What type of communication interfaces do AVR microcontrollers often support?

    <p>UART, SPI, I2C, and more</p> Signup and view all the answers

    'High accurate' 16MHz clock source in AVR microcontrollers is located externally and considered as which type of oscillator?

    <p>-HP</p> Signup and view all the answers

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