Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 13 Sep 2017 My Price 5.00

` two-dimensional array

  1. Consider the following two-dimensional array: int X[64][64];

Suppose that a system has four page frames and each frame is 128 words (an integer occupies one word). Programs that manipulate the X array fit into exactly one page and always occupy page 0. The data are swapped in and out of the other three frames. The X ar is stored in row-major order (i.e., X[0][1] follows X[O][O] in memory). Which of the two code fragments shown below will generate the lowest number of page faults? Explain and compute the total number of page faults.

Fragment A

for (int j = 0; j

for (int i = 0; i

Fragment B

for (int i = 0; i

for (intj = 0; j 64; j++) X[i][j] = 0;

Answers

Maurice Tutor
(5)
Status NEW Posted 13 Sep 2017 07:09 PM My Price 5.00

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