Practice Square and Multiply Approach - 7.5.3.2 | 7. Lecture - 55: Modular Arithmetic | Discrete Mathematics - Vol 3
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Practice Questions

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Question 1

Easy

What does modular exponentiation compute?

💡 Hint: Think about division with a remainder.

Question 2

Easy

List one benefit of using the Square and Multiply method.

💡 Hint: Consider how it simplifies operations based on the exponent.

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 main advantage of the Square and Multiply method?

  • It is easier to understand
  • It reduces computation time
  • It eliminates all multiplication

💡 Hint: Think about efficiency in calculations.

Question 2

True or False: The naive exponentiation method is more efficient than the Square and Multiply method.

  • True
  • False

💡 Hint: Consider the methods used for large calculations.

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Challenge Problems

Push your limits with challenges.

Question 1

Analyze the effect of using very large numbers in the naive exponentiation approach versus the Square and Multiply method. Discuss any practical implications in cryptography.

💡 Hint: Reflect on how encryption must be done quickly to secure communications.

Question 2

Demonstrate the Square and Multiply method by calculating 7^15 mod 19 and explain each step taken.

💡 Hint: Document your squarings and multiplications step by step for clarity.

Challenge and get performance evaluation