OOPS quiz-1

What is the use of the scope resolution operatot "::" in c++?

• To access the global variable

• To print the output

• To get input from the user

• None of the above

Which part of a code will be read first by compiler in c++?

• User defined function

• Main function

• Header files

• All the above

What is the name of the following line which is used to include header files into your program in c++
(#include< >)

• Compiler directive

• Include statement

• Preprocessor directive

• All the above

Variable names in the programming language can be created with numbers in the beginning
eg: int 1num = 4

• True

• False

Answer explanation

A variable name cannot begin with a number because the could confuse it with a numeric value

Which of the following word is not actually a key word in c++?

• int

• if

• revert

• mutable

What will be the output of the following c++ code if the value of n is assigned as 5?

• 0 1 2 3 4 5

• 0 1 2 3 4

• 0 1 2 3

• None of the above

Answer explanation

goto is one of the jump statement which is also used to transfer the control flow from one part of the program to another.

Syntax for goto statement:

goto label_name;

// ......

.

.

.

.

label_name:

// code that will be executed next

Which of the following will be executed first when you run your code?

• All the above

• user-defined function

• built-in function

• main function

Answer explanation

Compilers always reads your code from top starting from header files all the way to the bottom as you have written it.

But it always execute the code written inside the main function first.

Which of the following method binds data and methods(functions) as a single unit within the classs?

• A. Both C and D

• B. Abstraction

• C. Polymorphism

• D. Encapsulation

Statement 1: The method of inheriting properties and behaviour of one class(Base class) to another class(Derived class) is called as inheritance.
Statement 2: A single Derived class cannot inherit multiple Base class.

• Statement 1 is False but Statement 2 is True

• Both Statement are True

• Both Statements are False

• Statement 1 is True but Statement 2 is False

Answer explanation

A single Derived class can inherit multiple class, this method is called as Multiple Inheritance.

What is the default access level for members of a class in c++?

• Public

• Protected

• Private

• Hidden