This section contains more frequently asked Programming In C++ Multiple Choice Questions and Answers in the various University Level and Competitive Examinations.
PRACTICE IT NOW TO SHARPEN YOUR CONCEPT AND KNOWLEDGE
1. If an array is declared as int a[4] = {3, 0, 1, 2}, then values assigned to a[0] & a[4] will be ________
- 3, 2
- 0, 2
- 3, 0
- 0, 4
C. 3, 0
2. Mechanism of deriving a class from another derived class is known as____
- Polymorphism
- Single Inheritance
- Multilevel Inheritance
- Message Passing
C. Multilevel Inheritance
3. RunTime Polymorphism is achieved by ______
- friend function
- virtual function
- operator overloading
- function overloading
B. virtual function
4. A function call mechanism that passes arguments to a function by passing a copy of the values of the arguments is __________
- call by name
- call by value
- call by reference
- call by value result
B. call by value
5. In C++, dynamic memory allocation is accomplished with the operator ____
- new
- this
- malloc( )
- delete
A. new
6. If we create a file by ‘ifstream’, then the default mode of the file is _________
- ios :: out
- ios :: in
- ios :: app
- ios :: binary
B. ios :: in
7. A variable defined within a block is visible
- from the point of definition onward in the program.
- from the point of definition onward in the function.
- from the point of definition onward in the block.
- throughout the function.
C. from the point of definition onward in the block.
8. The break statement causes an exit
- from the innermost loop only.
- only from the innermost switch.
- from all loops & switches.
- from the innermost loop or switch.
D. from the innermost loop or switch.
9. Which of the following cannot be legitimately passed to a function
- A constant.
- A variable.
- A structure.
- A header file.
D. A header file.
10. A property which is not true for classes is that they
- are removed from memory when not in use.
- permit data to be hidden from other classes
- bring together all aspects of an entity in one place.
- Can closely model objects in the real world.
C. bring together all aspects of an entity in one place.
