By compacting and relocating, the Memory Manager optimizes the use of memory and thus improves throughput. However, it also requires more ____ than the other  memory allocation schemes discussed in this chapter.

A. null entries
B. segmentation
C. main memory
D. overhead

Answer: D

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Which of the following best describes the relationship between hardware improvements and time complexity improvements in regards to program execution time?

A. An improvement in the time complexity of a program can cause the program to run many times faster than a typical hardware improvement. B. Hardware improvements always do more to speed up a program than a better time complexity ever could. C. Hardware improvements and time complexity improvements are currently about the same in speeding up the execution of a program. D. Hardware improvement are often slightly better than time complexity improvements in speeding up a program; if a hardware improvement is not slightly better, then it is about the same as an improvement in time complexity (typically)

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The browser’s ________ enables the asynchronous exchanges with the web server that make Ajax applications so responsive.

a. HttpRequestObject. b. XMLHttpRequest object c. XMLHttpRequestObject. d. None of the above.

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The main type defined by OgreAL for pointing to sound-file data is _____.

Fill in the blank(s) with the appropriate word(s).

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What does this program do?

``` // What does this program do? #include using namespace std; bool mystery3( const char *, const char * ); // prototype int main() { char string1[ 80 ], string2[ 80 ]; cout << "Enter two strings: "; cin >> string1 >> string2; cout << "The result is " << mystery3( string1, string2 ) << endl; } // end main // What does this function do? bool mystery3( const char *s1, const char *s2 ) { for ( ; *s1 != '\0' && *s2 != '\0'; s1++, s2++ ) if ( *s1 != *s2 ) return false; return true; } // end function mystery3 ```

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