Practice Stack and Program Counter - 3.5.3 | 3. The ARM Cortex-M0 Processor Architecture: Part 2 | System on Chip
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Knowledge

3.5.3 - Stack and Program Counter

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does the stack pointer do?

💡 Hint: Think about where local data is stored.

Question 2

Easy

What is the purpose of the program counter?

💡 Hint: Consider how the CPU knows what to do next.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the primary role of the stack pointer in the ARM Cortex-M0?

  • A) To execute instructions
  • B) To point to the next instruction
  • C) To manage function call data

💡 Hint: Consider what happens to data when a function is executed.

Question 2

True or False: The program counter increments by 4 after executing an instruction in a 32-bit architecture.

  • True
  • False

💡 Hint: Think about the size of the instructions in memory.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design an algorithm using recursion that prints the first n Fibonacci numbers. Explain how the stack pointer and program counter will be manipulated throughout the calls.

💡 Hint: Consider the relationship between function parameters and return values.

Question 2

Imagine a scenario where an interrupt occurs right in the middle of function execution. Discuss how the processor uses the stack pointer and program counter to handle this event.

💡 Hint: Reflect on the importance of saving state for recovery.

Challenge and get performance evaluation