Question

C++ Programming Questions 23-25

QUESTION 23 What is the major disadvantage of recursive functions? TTT Arial 3 (12pt) „T !!! - 111 Path: P QUESTION 24 What is the problem in the following C++ code? int area = 10; double ptr - Garea; TT T Arial 3 (12pt) v T . 111 111 Path:p QUESTION 25 What is an abstract data type (ADT)? TT T Arial 3 (12pt) ✓ T II! HI!

Answer 1

Question 23:

The major disadvantage of recursion is it adds a lot of space complexity. In a recursive program each function call will remain in the stack untill the base case is reached. Because of this a recursive program has a greater space requirement(than an iterative program). Due to this recursion consumes a big amount of stack space. This might not be a sensible option when the programs are small.

Question 24:

area is a variable that stores an integer value. And only an integer pointer can point to the address of the memory location in which an integer is stored. ptr being a pointer to a double type cannot be used to point to an integer type. It raises an error.

Question 25:

An ADT is a special kind of data type which are formed from the primitive data types and whose behaviour is defined by a set of operations. These operations can be used by the user to perform a wide range of tasks but the mechanism or the logic behind these operations are hidden from the user.

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