Operating-Systems
October 11, 2023Process-Scheduling
October 11, 2023Data-Structures
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Question 38
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Let A be a two dimensional array declared as follows:
A: array [1 ... 10] [1 ... 15] of integer;
Assuming that each integer takes one memory location, the array is stored in row-major order and the first element of the array is stored at location 100, what is the address of the element a[i][j]?
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15i + j + 84
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15j + i + 84
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10i + j + 89
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10j + i + 89
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Question 38 Explanation:
The address of element A[i][j] will be,
100 + 15 * (i-1) + (j-1)
= 100 + 15i – 15 + j – 1
= 15i + j + 84
100 + 15 * (i-1) + (j-1)
= 100 + 15i – 15 + j – 1
= 15i + j + 84
Correct Answer: A
Question 38 Explanation:
The address of element A[i][j] will be,
100 + 15 * (i-1) + (j-1)
= 100 + 15i – 15 + j – 1
= 15i + j + 84
100 + 15 * (i-1) + (j-1)
= 100 + 15i – 15 + j – 1
= 15i + j + 84