Which matrix has most of the elements (not all) as Zero?
A. Identity Matrix
B. Unit Matrix
C. Sparse Matrix
D. Zero Matrix
Answer: Option C
A. Identity Matrix
B. Unit Matrix
C. Sparse Matrix
D. Zero Matrix
Answer: Option C
What is the time complexity of accessing an element in an array by index?
A. O(n)
B. O(1)
C. O(log n)
D. O(n log n)
Which of the following is the correct way to declare an array in C?
A. int array[];
B. array{int};
C. int array[10];
D. int array();
How do you find the length of an array in Java?
A. array.size();
B. array.length;
C. array.length();
D. array.size;
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