Beginner
Discrete Mathematics & Math
Q17 / 100
What is modular arithmetic?
Correct! Well done.
Incorrect.
The correct answer is B) Arithmetic on integers with a fixed modulus n, where numbers "wrap around" — a ≡ b (mod n) if n | (a-b)
B
Correct Answer
Arithmetic on integers with a fixed modulus n, where numbers "wrap around" — a ≡ b (mod n) if n | (a-b)
Explanation
17 ≡ 2 (mod 5) because 17-2=15 is divisible by 5. Used in cryptography (RSA, Diffie-Hellman), hash functions, and cyclic data structures.
Progress
17/100