Formative Assessment 8

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Question

Answer

It is an identifiable entity with some characteristics and behavior Object Class Methods Properties

Object

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A behavior an object class Property Method Abstract

Method

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If there is a class named Student and you want to create an object name "firstyear", what would be the correct syntax Student firstyear student first year; student firstyear() student firstyear

Student firstyear

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Blueprint of an object Inheritance Data Members Object Class

Class

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Which of the following is an OOP language? BASIC C++ HTML C

C++

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Refers to binding together the data and the functions that manipulate them Objects Class Abstraction Encapsulation

Encapsulation

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Which of the following cannot be passed to a function in C++ ? Header file Constant Structure Array

Header file

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Which is not a feature of OOP in general definitions? Duplicate/Redundant Data Modularity Code reusability Efficient code

Duplicate/Redundant Data

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What operator is used to access a data member or a member function? == operator & operator + operator dot (.) operator

dot (.) operator

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Pick out the other definition of objects. member of the class instance of the class associate of the class attribute of the class

instance of the class

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class Test { int x; }; int main() { Test t; cout << t.x; return 0; } 0 -1 Garbage value Error

Error

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Which of the following operator is used for cout? << >> + =

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It refers to the blueprint of an object: Data Access Modifier Class Inheritance

Class

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What is the difference between a struct and a class in C++? A class has a default privacy specification of public. A struct cannot have member functions A struct cannot have private members. A class has a default privacy specification of private

A class has a default privacy specification of private

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Which of the following concepts of OOPS means exposing only necessary information to the client? Data hiding Encapsulation Data binding Abstraction

Abstraction

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If a class is named Fruits and you will create an object named Apple, what would be the statement? Fruits(Apple); Apple Fruits; Apple@Fruits; Fruits Apple;

Fruits Apple;

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What symbol is used to define a function outside of the class? :: <> : &

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Which of the following statements is correct in C++? Class members are public by default. Structures can have functions as members Classes cannot have data as protected members. Structure members are private by default

Structures can have functions as members

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If an object named Box has a member of length, what is the command to assign a value of 5 into it? Box.length = 5; Length = 5; Box.length == 5; Box(5)

Box.length = 5;

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If a class is named Car and you will create an object named SportsCar, what would be the statement? Car<SportsCar>; SportsCar Car; Car (SportsCar); Car SportsCar;

Car SportsCar;

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Which concept of OOP is false for C++? A class must have member functions Code must contain at least one class At least one object should be declared in code Code can be written without using classes

A class must have member functions

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#include <iostream> using namespace std; class Test { int x; }; int main() { Test t; cout << t.x; return 0; } Error 1 Garbage value 0

Error

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How many classes can be defined in a single program? Only 999 Only 100 As many as you want Only 1

As many as you want

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#include<iostream> using namespace std; main() { class student { int rno = 10; } v; cout<<v.rno; } 10 Garbage value Error 0

Error

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The default access specifier for the class members is: none of the given private protected public

private

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Which of the following concepts means wrapping up of data and functions together? Inheritance Object Encapsulation Abstraction

Encapsulation

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If an object named Apple has a member named "price", what is the command to assign a value of 15 into it? Price(15); Apple.price = 15; Apple(15); Apple.price == 15;

Apple.price = 15;

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class Test { int x; }; int main() { Test t; cout << t.x; return 0; } -1 0 Garbage value Error

Error

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An object is a _________________ of a class an encapsulation an instance a member function an interface

an instance

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It means displaying only essential information and hiding the details. Object Class Abstraction Methods

Abstraction

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#include <iostream> using namespace std; class Test { int x; }; int main() { Test t; cout << t.x; return 0; } Error 1 Garbage value 0

Error

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Which of the following best defines a class? Parent of an object Instance of an object Scope of an object Blueprint of an object

Blueprint of an object

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Which of the following term is used for a function defined inside a class? Member Variable Member function Classic function Class function

Member function

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What is the additional feature in classes that were not in structures? Static data allowed Public access specifier Data members Member Functions

Member Functions

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Which of the following has a correct C++ class definition? class Student {}; class Student; class Student {}: class Student ()

class Student {};

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Objects created are based on what? class behavior abstract attributes

class

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A Function that has its definition or its prototype within the class definition like any other variable. Objects Class Member Functions Data Member

Member Functions

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Which of the following are available only in the class hierarchy chain? Private data members Member functions Protected data members Public data members

Public data members

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Which of the following is an abstract data type? double string class int

class

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#include<iostream> using namespace std; main() { class student { int rno = 10; } v; cout<<v.rno; } Garbage value 10 0 Error

Error

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#include <iostream> using namespace std; class Test { int x; }; int main() { Test t; cout << t.x; return 0; } 1 0 Error Garbage value

Garbage value

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class Test { int x; }; int main() { Test t; cout << t.x; return 0; } Error -1 Garbage value 0

Garbage value

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Created by: Heirm