What is the purpose of the "bad_alloc" exception class in C++?Marks : 1Negative Marks : 0Answer hereIt is used to handle out-of-range exceptions.It is used to handle memory allocation exceptions.It is used to handle file handling exceptions.It is used to handle arithmetic exceptions.

When is std::bad_alloc exception thrown ?1. When new operator cannot allocate memory2. When alloc function fails3. When type requested for new operation is considered bad, this exception is thrown4. When delete operator cannot delete teh allocated (corrupted) object

What is the purpose of the "std::runtime_error" class in C++?Marks : 1Negative Marks : 0Answer hereIt is used to handle runtime errors.It is used to handle logic errors.It is used to handle arithmetic exceptions. It is used to handle memory allocation exceptions.

What is the purpose of the "what()" method in C++ exception handling?Marks : 1Negative Marks : 0Answer hereIt is used to throw an exception.It is used to catch an exception.It is used to rethrow an exception.It is used to get the description of the exception.

In terms of allocation failure, how does calloc behave compared to malloc?Marks : 1Negative Marks : 0Answer herecalloc returns NULL on failure, while malloc exits the program.Both calloc and malloc return NULL on failure.calloc exits the program on failure, while malloc returns NULL.Neither calloc nor malloc handles alloc

In terms of allocation failure, how does calloc behave compared to malloc?Marks : 1Negative Marks : 0Answer herecalloc returns NULL on failure, while malloc exits the program.Both calloc and malloc return NULL on failure.calloc exits the program on failure, while malloc returns NULL.Neither calloc nor malloc handles alloca