CPP Quiz 3

Question 1: ___________ is not a type of scope in c++.

(A) Global

(B) Local

(C) File

(D) Function

Question 2: Which of the following is the correct operator to compare two variables?

(A) :=

(B) =

(C) equal

(D) ==

Question 3: Variables that are declared inside a function are called as ______.

(A) local

(B) global

(C) scope

(D) external

Question 4: Most of the statement in C++ program should end with ______.

(A) a full stop (.)

(B) `a comma (,)

(C) a semicolon (;)

(D) a colon (:)

Question 5: __________ is a newline character in c++.

(A) end

(B) endl

(C) \t

(D) ;

Question 6: If and the switch statements are called as _____ statements.

(A) iteration

(B) jump

(C) selection

(D) conditional

Question 7: The switch expression must be of type _______ or _______.

(A) char, float

(B) float, int

(C) int, char

(D) har, float

Question 8: Find out the error in following block of code. if (x=100) cout<<“x is 100”;

(A) 100 should be enclosed in quotations

(B) There is no semicolon at the end of first line

(C) Equals to operator mistake

(D) Variable x should not be inside quotation

Question 9: Looping in a program means _____.

(A) jumping to the specified branch of program.

(B) repeat the specified lines of code

(C) execute only once

(D) jump to random location of the program

Question 10: If the type specifier of parameters of a function is followed by an ampersand (&), that function call is _______.

(A) pass by value

(B) pass by reference

(C) array of structures

(D) array of structures. pointers

Question 11: getline() and write() are _________ oriented functions.

(A) line

(B) character

(C) data

(D) integer

Question 12: The general form, of assignment operator is _____.

(A) variable_name=expression

(B) datatype=expression

(C) variable=expression

(D) datatype=expression

Question 13: Overloaded functions are ______.

(A) very long functions that can hardly run

(B) two or more functions with the same name but different number of parameters or type

(C) short functions that can easily modified

(D) one function containing another one or more functions inside it

Question 14: ________ function is a function in which expansion of the function takes place rather than execution.

(A) Friend

(B) Inline

(C) Recursive

(D) Member

Question 15: The name of a function variable or class is called ________.

(A) libraries

(B) stream

(C) identifiers

(D) keywords

Question 16: >> is called as __________ operator.

(A) insertion

(B) extraction

(C) greater than

(D) lesser than

Question 17: << is called as _______________ operator.

(A) insertion

(B) extraction

(C) greater than

(D) esser than

Question 18: Arguments of functions are separated with ________.

(A) comma (,)

(B) semicolon (;)

(C) colon (:)

(D) dot(.)

Question 19: _____________ is a variable preserves its value between function calls.

(A) extern

(B) auto

(C) register

(D) static

Question 20:  ________ supports simultaneous input and output operations on file.

(A) ifstream

(B) fopen

(C) ostream

(D) fstream

Question 21: ________ is a default access specifier for members of class in C++.

(A) protected

(B) public

(C) private

(D) default

Question 22: A Class can have how many destructor?

(A) 1

(B) 2

(C) 3

(D) 4

Question 23: The parameter list in function overloading must differ by?

(A) Number of functions

(B) Function Size

(C) Function Name

(D) Number of argument

Question 24: Data members is also called?

(A) Attribute

(B) Method

(C) Class

(D) Object

Question 25: In how many ways is polymorphism achived in C++?

(A) 2

(B) 1

(C) 3

(D) 4

Question 26: A __________ is a special method used to initialize the instance variable of a class.

(A) Member function

(B) Destructor

(C) Constructor

(D) Structure

Question 27: The ______ keyword brings the members of a namespace into view.

(A) view

(B) using

(C) additive

(D) show

Question 28: If class A inherits from class B, then B is called _______ of A. A is called ________ of B.

(A) Super class, Sub class

(B) Subclass, Super class

(C) Abstract class, Base Class

(D) Child class, Sub Class

Question 29: ________ is the mechanism which allows a class A to inherit properties of a class B.

(A) Data abstraction

(B) Encapsulation

(C) Inheritance

(D) Polymorphism

Question 30: The mechanism that binds code and data together and keeps them secure from outside world is known as _______________.

(A) Abstraction

(B) Encapsulation

(C) Inheritance

(D) Polymorphism

Question 31: To overload an operator_________________ keyword must be used along with the operator to be overloaded.

(A) Over

(B) Overload

(C) void

(D) Operator

Question 32: Which of the following is not a keyword?

(A) inherit

(B) auto

(C) extern

(D) void

Question 33: The expression 5/2 in c++ is evaluated to ____________.

(A) 2

(B) 3

(C) 2.5

(D) 0

Question 34: The result of the expression 15%3 in c++ is ___________.

(A) 5

(B) 3

(C) 0

(D) error

Question 35: An ____________ is a collection of elements of same data type.

(A) structure

(B) union

(C) class

(D) array

Question 36: ______________ operator has the lowest priority.

(A) ,

(B) ++

(C) *

(D) +

Question 37: ___________ variables can be initialized only once.

(A) void

(B) static

(C) const

(D) int

Question 38: Static variables can be ______________.

(A) cannot be created

(B) initialized only once.

(C) a constant

(D) a class

Question 39: Which of the following is true?

(A) presents the standard output stream in c++.

(B) cout declare in the conio standard file.

(C) cout is declared as constants.

(D) cout does nothing in C++ program.

Question 40: What is the syntax of friend function?

(A) friend class1 Class2;

(B) friend class;

(C) friend class

(D) classfriend