Practice Control Unit Involvement - 12.2.1 | 12. Fetch Cycle | Computer Organisation and Architecture - Vol 1
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does the program counter do?

💡 Hint: Think about where instructions come from.

Question 2

Easy

Which register temporarily holds data being fetched from memory?

💡 Hint: It's involved in the reading of instructions.

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 does the program counter (PC) do?

  • Stores the instruction
  • Holds the address of the next instruction
  • Generates control signals

💡 Hint: Remember what the PC signifies in the instruction cycle.

Question 2

True or False: The control unit can execute instructions directly without assistance from other components.

  • True
  • False

💡 Hint: Think about its role in the fetch and execute cycles.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Describe how an interruption from an input/output operation could affect the fetch cycle timing. What adjustments might the control unit need to make?

💡 Hint: Think about what happens when a task takes longer than expected.

Question 2

If the instruction sequence in memory is unusually large, how might this impact the efficiency of the fetch cycle? Consider both hardware and software perspectives.

💡 Hint: Consider the balance between memory retrievals and processing speed.

Challenge and get performance evaluation