Enrol to start learning
Reading is open to everyone. Enrolling is free, and it is what unlocks the audio lessons, practice tests and progress tracking.
4. Advertisements
This section
Practice test
10 questions on this section. Wrong answers show you what to read again.
Sign up to take itWhole chapter
Revision test
Mixed questions from across the chapter. Your answers get marked.
Sign up to take itQuick
Flashcard drill
3 cards from this lesson. Good the night before a test.
Try these first
- 1.
Define cryptography.
Hint
Think about its relation to security.
- 2.
What is a proof?
Hint
Consider how we establish theories in mathematics.
- 3.
What does cryptography primarily focus on?
- Data storage
- Securing data
- Data retrieval
Hint
Think about its role in communication.
- 4.
True or False: Proofs are essential in validating mathematical statements.
- True
- False
Hint
Consider the process of establishing mathematical truths.
- 5.
Develop a proof for the Pythagorean theorem using discrete mathematics concepts.
Hint
Draw a diagram and segment the triangle to visualize the relationships.
- 6.
Create a simple cryptographic scheme using basic principles of encryption and decryption.
Hint
Think about simple shifts in the alphabet.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
Get your answers marked and your progress tracked
Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting