Final Assessment C & C++ & DSA - 2nd August 24

Which of the following is a valid declaration in C?

• int 3dArray

• int _Var

• int *ptr,*ptr2

• int var-2

What will be the output of the following C code?

• 6

• 5

• Undefined

• Compilation error

Which of the following function declarations is correct in C?

• int func(int x, y)

• int func(int, int)

• int func(x, int)

• int func(int, int y)

Which of the following is not a C++ keyword?

• private

• friend

• virtual

• include

What is the correct syntax for creating an object in C++?

• ClassName objectName

• ClassName objectName = new ClassName()

• objectName = new ClassName()

• ClassName objectName()

Which of the following concepts is not supported by C++?

• Polymorphism

• Abstraction

• Reflection

• Encapsulation

What is the output of the following C++ code?

What is the default return type of a function in C if it is not specified?

• int

• void

• float

• char

In C, what is the value of the expression size of (int*) ?

• 2

• 4

• 8

• Depends on the system

What is the output of the following C++ code?

• 10

• 20

• 0

• 30

What is the function of the virtual keyword in C++?

• It defines a static function

• It allows function overriding

• It allows function overloading

• It declares a friend function