Microcontroller Chapter 4: CISC Architecture
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Questions and Answers

What does CISC stand for in the context of computer architecture?

  • Complexity In Software Compilation
  • Complex Instruction Set Computer (correct)
  • Computer Instruction Set Complexity
  • Centralized Instruction Set Control

Why does CISC architecture result in higher power consumption?

  • It uses less RAM
  • It requires complex hardware (correct)
  • It favors a simple hardware approach
  • It executes fewer low-level operations

What does RISC stand for in the context of computer architecture?

  • Reduced Instruction Set Computer (correct)
  • Rapid Instruction Set Control
  • Reduced Instruction Software Compilation
  • Random Instruction Source Code

Why does RISC architecture require more RAM?

<p>It explicitly tells what to load and store step by step (A)</p> Signup and view all the answers

What does AVR stand for in the context of microcontrollers?

<p>Atmel AVR microcontrollers do not stand for any specific acronym (D)</p> Signup and view all the answers

In which type of machine are program and data stored in separate physical memory systems?

<p>Harvard architecture machine (C)</p> Signup and view all the answers

What is the category of AVR microcontrollers used for simple applications with less memory and small size?

<p>Tiny (C)</p> Signup and view all the answers

Which type of AVR microcontroller is suitable for complex applications requiring large memory?

<p>Xmega (D)</p> Signup and view all the answers

What type of memory is used to store the program code in AVR microcontrollers?

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

Which component of AVR microcontrollers allows the CPU to respond to certain events or signals immediately?

<p>Interrupt Controller (A)</p> Signup and view all the answers

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

<p>To convert analog signals to digital data (C)</p> Signup and view all the answers

What is the main function of the oscillators in AVR microcontrollers?

<p>To generate clock signals (B)</p> Signup and view all the answers

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

<p>SRAM (D)</p> Signup and view all the answers

What is the purpose of the registers in AVR microcontrollers?

<p>To hold data for quick operations (D)</p> Signup and view all the answers

Which communication protocol is commonly supported by AVR microcontrollers for communication with other devices and peripherals?

<p>SPI (Serial Peripheral Interface) (B)</p> Signup and view all the answers

"Which clock source in ATmega is not accurate and get affected by voltage and temperature?"

<p>128KHz Internally not accurate get effected by voltage and TEMP (D)</p> Signup and view all the answers

Which one of the following communication interfaces is commonly supported by AVR microcontrollers?

<p>I2C (Inter-Integrated Circuit) (TWI) (B)</p> Signup and view all the answers

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