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31. 

To send output to a file, you need to include the _____ header file in your program
A. file.h
B. fstream.h
C. iomanip.h
D. iostream.h
E. of stream.h
32. 

A C++ _____ is a program that runs in a DOS window
A. algorithm
B. cast application
C. console application
D. source application
33. 

A difference, between reference variables and pointers is that
A. reference variables are easier to use
B. pointers are easier to use
C. reference variables are more flexible
D. no difference exists between reference variables and pointers
34. 

A 'C function does not contain
A. a function header
B. argument declarations
C. other 'C' functions
D. function body
E. None of the above
35. 

_____ variables remain in memory until the program ends
A. Area
B. Global
C. Local
D. Reference
E. Value