Miscellaneous On Data Structures - Study Mode

[#146] What is the following expression, lcm (a, lcm (b, c) equal to?
Correct Answer

(D) lcm (lcm (a, b), c)

[#147] A key matrix used for encryption in hill cipher must be?
Correct Answer

(A) invertible matrix

[#148] Gronsfeld cipher is similar to?
Correct Answer

(C) caesar cipher

[#149] Atbash cipher cannot be cracked until the exact type of encryption of ciphered text is known.
Correct Answer

(B) False

[#150] Which of the following methods can be used to find the largest and smallest number in a linked list?
Correct Answer

(C) Both Recursion and iteration