Miscellaneous On Data Structures - Study Mode

[#756] What is the GCD of a and b?
Correct Answer

(B) gcd (a-b, b) if a>b

[#757] What is the total running time of the binary GCD algorithm?
Correct Answer

(B) O(N 2 )

[#758] Running key cipher is a variation of?
Correct Answer

(A) vigenere cipher

[#759] Which of the following is made possible by the use of Polybius square?
Correct Answer

(A) To represent the plain text by smaller set of symbols

[#760] What is the minimal Hamming distance between any two correct codewords?
Correct Answer

(C) 3