When merging ____, we merge the corresponding merge runs from each file into a merge run in the output file.

A. files that are not completely ordered
B. random access files
C. sequential files
D. binary files


Answer: A

Computer Science & Information Technology

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What does it mean if a 7 is stored at index 1 of the C array?

``` 1 COUNTING-SORT( A ) 2 make an Array C of length k + 1 3 for each i, from 0 to k 4 C[ i ] = 0 5 for each j, from 0 to the length of A - 1 6 C[ A[ j ] ]++ 7 j = 0 8 for each i from 0 to k 9 for each m from 1 to C[ i ] 10 A[ j ] = i 11 j++ ``` A. There is one element with value 7 in the A array. B. In the final sorted array, there will be only one seven. C. In the final sorted array, there will be from one to seven elements. D. There are seven elements with value 1 in the A array.

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A. three B. two C. one D. multi

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Why would a programmer choose to use protected class members and not private class members?

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Computer Science & Information Technology