Which of the following is a valid way of creating a string within a Ruby statement?
A. Embed text within an opening %Q{ and } characters.
B. Embed text within a pair of double quotation marks.
C. Embed text within a pair of single quotation marks.
D. Both a and b.
Answer: D
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What is the output of the following code fragment?
int f1(int n, int m) { if(n < m) return 0; else if(n==m) return m+ f1(n-1,m); else return n+ f1(n-2,m-1); } int main() { cout << f1(5,4); return 0; } a. 0 b. 2 c. 4 d. 8 e. infinite recursion
______________ is a logical unit of the computer that coordinates the activities of all the other logical units.
Fill in the blank(s) with the appropriate word(s).
What line in the following algorithm is wrong?Algorithm searchBST (root, targetKey)1 if (empty tree)1.1 return null2 end if3 if (targetKey < root)3.1 return searchBST (left subtree, targetKey)4 else if (targetKey >= root)4.1 return searchBST (right subtree, targetKey)5 else5.1 return root6 end ifend searchBST
A. 3 B. 3.1 C. 4 D. 4.1
With Lab color, the ____ channel contains all of the lightness and darkness information for the image.
a. Luminosity c. B b. A d. Lightness