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6. 

Which of the following statement is True?
A. User has to explicitly define the numeric value of enumerations
B. User has a control over the size of enumeration variables.
C. Enumeration can have an effect local to the block, if desired
D. Enumerations have a global effect throughout the file.
7. 

The '.' operator can be used access structure elements using a structure variable.
A. True
B. False
C. Enumeration can have an effect local to the block, if desired
D. Enumerations have a global effect throughout the file.
8. 

Union elements can be of different sizes.
A. True
B. False
C. Enumeration can have an effect local to the block, if desired
D. Enumerations have a global effect throughout the file.
9. 

A structure can contain similar or dissimilar elements
A. True
B. False
C. Enumeration can have an effect local to the block, if desired
D. Enumerations have a global effect throughout the file.
10. 

The '->' operator can be used to access structures elements using a pointer to a structure variable only
A. True
B. False
C. Enumeration can have an effect local to the block, if desired
D. Enumerations have a global effect throughout the file.