Computer Science - Object Oriented Programming Using C++

16. 

One drawback to returning an error code from a function is _____

A. functions cannot return error codes
B. error codes must be integers, and some functions can't return an integer
C. a function can return only one value, so it can return only the error code
D. a function that returns an error code will identify all returns as errors

Answer: Option C

Explanation:

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17. 

Assuming the following three operators appear in an expression (without parentheses), which of the operators will be performed first?

A. &&
B. !
C. ||

Answer: Option B

Explanation:

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18. 

The code that you enter into a C++ program is called _____

A. console code
B. object code
C. project code
D. source code

Answer: Option D

Explanation:

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19. 

If a base class member is private, then

A. if a derived class uses the public access specifier, the data member becomes public
B. if a derived class uses the protected access specifier, the data member becomes protected
C. both (a) and (b)
D. neither (a) nor (b)

Answer: Option D

Explanation:

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20. 

Which of the following instructions tells C++ to merge the source code from the iostream.h file into the current file?

A. #include <iostream.h>
B. #include iostream.h
C. #include <iostream.h>
D. #merge iostream.h
E. None of the above

Answer: Option E

Explanation:

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