Control Fields and Condition Flags Quiz
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Questions and Answers

What technique can help achieve lower power usage in battery-operated systems?

  • Voltage scaling (correct)
  • Memory scaling
  • Temperature scaling
  • Frequency scaling

In an asymmetric multiprocessor system, what is done under near idle conditions to save power?

  • Power off the more powerful core (correct)
  • Utilize both cores equally
  • Increase clock frequency
  • Power off the less powerful core

What type of memory is typically the most cost-effective but also the least flexible?

  • Internal memory (correct)
  • Cache memory
  • External memory
  • Virtual memory

When selecting a microcontroller, what factor is typically considered alongside the required memory?

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

What technique can shut down clocks and power to unused modules in an SoC?

<p>Power gating (A)</p> Signup and view all the answers

Apart from the processor, what else is essential in every system design for input and output operations?

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

In non-privileged mode, what can be done with control fields?

<p>Read only (A)</p> Signup and view all the answers

Which of the following conditions can change due to an arithmetic operation?

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

What is the expected mode for a user program running on an ARM for sophisticated applications?

<p>User mode (B)</p> Signup and view all the answers

Which part of an ARM-based system is typically expected to run in privileged mode?

<p>Operating System (OS) (C)</p> Signup and view all the answers

How many modes does ARM have, according to the text?

<p>7 modes (D)</p> Signup and view all the answers

Which of the following is classified as a privileged mode in ARM?

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

What is the primary goal of ARM in establishing standards in the industry?

<p>To create industry standard embedded microprocessor architecture (C)</p> Signup and view all the answers

How is the ARM architecture different from a single organization?

<p>ARM architecture follows certain commonalities across different variants (C)</p> Signup and view all the answers

What connects the ALU to the register bank in ARM organization?

<p>Two buses A and B (B)</p> Signup and view all the answers

What does the Barrel shifter do in ARM organization?

<p>Preprocess the data from ALU (A)</p> Signup and view all the answers

Which component in ARM architecture is capable of shifting, rotating, or preprocessing data before it reaches the ALU?

<p>Barrel shifter (B)</p> Signup and view all the answers

Why can all the operations in ARM architecture take place in one cycle?

<p>Because they are all combinational circuits (D)</p> Signup and view all the answers

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