Question about functions
Posted on 2004-04-08
Please can someone answer on these 3 questions. I looked everywhere and could not find the answer.
1. Which of these statements is false?
a) Arrays can be passed using a call by reference using reference parameters
b) Structures can be passed using a call by reference using reference parameters
c) Structures cannot be passed using a call by value
D. Enumerated data variables cannot be passed in a call by reference using pointers
2. If a variable (such as float distance;) is declared in driver.cpp, how can it be seen in a different file (such as train.cpp)?
a) declare float distance globally in driver.cpp only
b) declare float distance globally in driver.cpp and declare extern float distance in Train.cpp
c) declare another float distance variable in Train.cpp
d) #include float distance in Train.cpp
3. Which one is a feature of the C++ programing language that is not a feature of the C programming language?
a) pass by reference using pointers
b) enumerated data types
c) pass by reference using reference parameters
d) both B and C
Thank you so much,