What is the use of rank() function in C++?
A. Returns size of each dimension
B. Returns how many total elements can be stored in an array
C. Returns how many elements are in array currently
D. Returns the dimension of an array
Answer: Option D
A. Returns size of each dimension
B. Returns how many total elements can be stored in an array
C. Returns how many elements are in array currently
D. Returns the dimension of an array
Answer: Option D
What does the 'sizeof' operator return in C++?
A. Size of a data type in bits
B. Size of a data type in bytes
C. Size of a variable in bytes
D. Size of a variable in bits
What is the purpose of the 'static' keyword in C++?
A. To declare a variable with dynamic storage duration
B. To declare a constant
C. To declare a variable with external linkage
D. To declare a variable with static storage duration
What is the difference between '++i' and 'i++' in C++?
A. None of the above
B. They both have the same effect
C. '++i' increments the value of 'i' before returning it, while 'i++' increments the value of 'i' after returning it
D. '++i' increments the value of 'i' after returning it, while 'i++' increments the value of 'i' before returning it
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