What will be the outcome of the following query? SELECT ROUND(2.41) FROM dual;

In C#, all arrays have a(n) ____________ that equals the number of elements in the array.

a. Element property b. get Size method c. Length property d. Get Bounds method

Any algorithm that can receive a function pointer can also receive an object of a class that overloads the parentheses operator with a function named operator(), provided that the overloaded operator meets the requirements of the algorithm. An object of such a class is known as a(n) ___________ and can be used syntactically and semantically like a function or function pointer.

Fill in the blank(s) with the appropriate word(s).