Robotics quiz 2

How does a C++ compiler differ between overload postfix and prefix operators?

• C++ doesn't allow both operators to be overloaded in a class

• A postfix ++ has a dummy parameter

• A prefix ++ has a dummy parameter

• By making prefix ++ as a global function and postfix a member function

The binding of data and functions into a single entity is known as?

• Polymorphism

• Encapsulation

• Overloading

• Inheritance

The class body has _______ access specifiers.

• 1

• 2

• 3

• 4

Which of the following concepts means determining at what runtime, what method to invoke?

• Data hiding

• Dynamic typing

• Dynamic loading

• Dynamic binding

Which of the following statements is correct?

• Base class pointer can not point to derived class

• Derived class pointer can not point to the base class

• Pointer to Derived class can not be created

• Pointer to Bass class can not be created

Predict the output of the following C++ program

• A non-zero value

• 0

• Compiler error

• Runtime error

Predict the outcome of the code

• 0

• Garbage value

• Compile error

Assuming that an integer and a pointer each takes 4 bytes, also assume that there is no alignment in the objects. predict the output of the code

• 124

• 1212

• 84

• 88

Which of the following code is not correct in (C++)?

1. Class templates and function templates are instantiated in the same way.

2. Class templates differ from function templates in the way they are initiated.

3. Class templates is initiated by defining an object using the template arguement.

4. Class templates are generally used for storage classes.

• 1

• 2,4

• 2,3,4

• 4

A member function can always access the data in ______

• The class of which it is a member

• The object of which it is a member

• The public part of its class

• The private part of its class