Which of the following is a logical unary functor?
A. logical_or<T> f;
B. logical_and<T> f;
C. logical_not<T> f;
D. negate<T> f;
Answer: Option C
A. logical_or<T> f;
B. logical_and<T> f;
C. logical_not<T> f;
D. negate<T> f;
Answer: Option C
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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