Q. Consider an array A[20, 10], assume 4 words per memory cell and the base address of array A is 100. What is the address of A[11, 5] ? Assume row major storage.

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Q. Which of these best describes an array?

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Q. A program P reads in 500 integers in the range [0..100] exepresenting the scores of 500 students. It then prints the frequency of each score above 50. What would be the best way for P to store the frequencies?

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Q. Matrix A when multiplied with Matrix C gives the Identity matrix I, what is C?

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Q. What is the disadvantage of matrices?

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Q. Which of the following are the uses of matrices?

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Q. If column-major order is used, how is the following matrix stored in memory?
a b c

d e f

g h i

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Q. If row-major order is used, how is the following matrix stored in memory?
a b c

d e f

g h i

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Q. How do you allocate a matrix using a single pointer in C?(r and c are the number of rows and columns respectively)

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Q. Which of the following property does not hold for matrix multiplication?

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Q. What is the order of a matrix?

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Q. What are the advantages of sparse matrices over normal matrices?

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Q. What is sparsity of a matrix?

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Q. Suppose the contents of an array A are, A = {1, null, null, null, null, 10};
What would be the size of the array considering it as a normal array and a sparse array?

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Q. What is the difference between a normal(naive) array and a sparse array?

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Q. When do you use a sparse array?

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Q. What is a sparse array?

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Q. What is the worst case time complexity of inserting an element into the sorted array?

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Q. What are some of the applications of sorted arrays?

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Q. To search for an element in a sorted array, which searching technique can be used?

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