CS201 Quiz Jan 2026

VU QUIZ REPORT

Subject: CS201

Quiz Completed: 1/7/2026, 10:18:14 PM Total Questions: 10

Once the _______________ are created, they exist for the life time of the program

A. global variables

B. local variables C. automatic variables D. non static variables

The return type of the overloaded new operator must be?

1. void (nothing)
2. object pointer
3. int pointer
4. void pointer

Correct answer: void pointer

When the compiler overloads the assignment (=) operator by default then A. Class members are not assigned properly B. Compiler does not allow default assignment operator C. Compiler does member wise assignment. D. Compiler does not do member wise assignment. _______ operators are the ones that require only one operand to work. A. Single B. Binary

C. Unary

D. Unit

What is meaning of bad bit in I/O operation: A. Bad data

B. Error in data

C. Lost data D. Wrong data

Selected Answer: B

What is the sequence of event(s) when deallocating memory of an object using delete operator?

1. Memory is deallocated first before calling destructor
2. Only block of memory is deallocated for object
3. Only destructor is called for object
4. Destructor is called first before deallocating memory

Correct answer: Destructor is called first before deallocating memory

The only operator that the compiler overloads for user define data type by default is A. Minus (-) operator B. Equal (==) operator C. Plus (+) operator

D. Assignment (=) operator

What happens if new fails to allocate memory in C++?

1. The program crashes
2. It returns uninitialized memory
3. It returns NULL
4. It throws an exception

Correct answer: It throws an exception

When operator function is implemented as member function then return type of function ________.

A. Can be any data type

B. Must be built-in data type C. Must be an object of same class D. Must be user-defined data type

free function is available in _______________ header file.

A. stdlib.h

B. string.h C. iostream.h D. conio.h