Final Test for 370

Can two functions declare variables(non static) with the same name.

a. Yes, but not a very efficient way to write programs

For what values of the expression is an if-statement block not executed?

b. 0

Suppose in a hypothetical machine the size of char is 32 bits. What would sizeof(char) return?

b. 1

There are how many relational operator are offered by C++?

b. 6

How many basic features of OOP are required for a programming language to be purely OOP?

b. 7

Which of the following is correct?

b. An object is an instance of its class

What is the size of wchar_t in C++?

b. Based on the number of bits in the system

Who is the father of C++?

b. Bjarne Stroustrup

Identify the user-defined types from the following?

b. Both enumeration and classes

Which of the following is an abstract data type?

b. Class

HAS-A relationship between the classes is shown through.

b. Container classes

Which constructor is called automatically when we create an object of the class?

b. Copy constructor

Which of the following is not a type of inheritance?

b. Distributive

The value 132.54 can represented using which data type?

b. Double

34. Identify the incorrect option.

b. Enumerators are same as macros

A language which has the capability to generate new data types are called

b. Extensible

The symbol >> is known as

b. Extraction operator

Which of the following statements are true ?

b. F is a function taking an argument of type float and returning a integer

Object cant be used with pointers because they belong to user defined class and compiler cant decide the type of data may be used inside the class.

b. False

Which among doesnt illustrates polymorphism?

b. Function overriding

Extraction operator is also known as

b. Input operator

Cpp does not supports the following

b. Multilevel inheritance

The logical symbol ! This is used for

b. NOT operator

Which of the following statement is true?

b. Neither A) nor B)

Conditional statements can be used within another conditional statements that are called

b. Nesting Conditional statements

____ have the return type void?

b. None of the mentioned

Which of the following class allows to declare only one object of it?

b. Singleton class

29. Identify the incorrect option.

b. Sizeof(char) <= sizeof(long) <=sizeof(wchar_t)

What is the mean of fall through in switch statement?

b. Switch statement that does not include break statement

CPP is both procedural as well as object oriented programming language.

b. True

Boolean expression gives results in the form of

b. True and False

Choose the incorrect option

b. Void is also used when the value of a pointer is null

How many types of polymorphism are C++?

c. 2

Which of the following is a valid floating point literal?

c. 287.e2

How many logical operators are combined to form a compound condition?

c. 3

What does a escape code represent?

c. Alert

What happens when a null pointer is converted into bool?

c. Bool value evaluates to false

Cin stands for

c. Console input

Class function which is called automatically as soon as the object is created is called as __

c. Destructor

Wrapping data and its related functionality into a single entity is known as

c. Encapsulation

When a language has the capability to produce new data type mean it can be called as

c. Extensible

Which of the following is not a type of Constructor?

c. Friend constructor

In C++ what is the sign of character data type by default?

c. Implementation dependent

Which OOPs concept is allowed to reuse the code?

c. Inheritance

What happens if a class does not have a name?

c. It will not have a destructor

Which of the following cannot be a friend?

c. Object

What is default access specifier for data members or member functions declared within a class without any specifier in C++?

c. Private

Which members are inherited but are not accessible in any case?

c. Private

Which of the following is not one of the sizes of the floating point types?

c. Short float

The size_t integer type in C++ is?

c. Unsigned integer of at least 16 bits

Data flowing out of the output stream is called Cout, but data flowing in the input stream is called

c. cin

Is bool a fundamental datatype in CPP?

b. Yes

Which type is best suited to represent the logical values?

d. Boolean

Which of the following belongs to the set of character types?

d. Both wchar_t and char

How many characters are specified in the ASCII scheme?

a. 128

Which of the following shows multilevel inheritance

a. A->B->C

To which of these enumerators can be assigned?

a. All of the mentioned

Pick the odd one out

a. Array type

Which of the following approach is followed by the CPP

a. Bottom-up

An abstract data type out of the following is

a. Class

92. Which of the following is correct?

a. Derived class pointer object cannot point to a base class object

Functions cant return objects.

a. False

Which of the following is not a constructor?

a. Friend constructor

Pick the odd one out.

a. Integer, enum, void

What will happen when defining the enumerated type?

a. It will not allocate memory

Input stream Cin reads the items form

a. Left to right

Which of three sizes of floating point types should be used when extended precision is required?

a. Long double

What is the other name used for functions inside a class?

a. Member functions

Which is the storage specifier used to modify the member variable even though the class object is a constant object?

a. Mutable

The member in class by default are

a. Private

Which member is not accessible outside the class?

a. Private

28. The size of an object or a type can be determined using which operator?

a. Sizeof

What is the full form of STL?

a. Standard template library.

Which of the following is not type of class?

a. Start Class

We can have varying number of arguments for the overloaded form of () operator.

a. True

How members of an object are accessed?

a. Using dot operator/period symbol

Concept used for late binding is

a. Virtual Function

3. Which datatype is used to represent the absence of parameters?

a. Void

30. Which of the following will not return a value?

a. Void

Variables cannot be used before they are declared so their scopes begin

a. Where they are declared

Encapsulation means

a. Wrapping the data into a single unit.

Is the size of character literals different in C and CPP?

a. Yes they are different

Which of the two operators ++ and — work for the bool datatype in C++?

a. ++

Size of boolean variable

d. 1

How much bytes are occupied by int?

d. 2

Which of the following statements are false ?

d. Bool cannot be used as the type of the result of the function

Sequence of statements that is treated as a single statement is called

d. Compound statement

Which of the not an inheritance?

d. Distributive

Which concept means the addition of new components to a program as it runs?

d. Dynamic loading

Special data types that are defined by users is called

d. Enumeration types

The actual values defined in the enumeratorlist is called

d. Enumerators

Which is used to indicate single precision value?

d. F or f

Which one of the following is not a member of the class?

d. Friend Function

Out of the following, which is not a member of the class?

d. Friend function

Which feature of OOP indicates code reusability?

d. Inheritance

Which variable does equals in size with enum variable?

d. Int variable

In which type does the enumerators are stored by the compiler?

d. Integer

Class is pass by _______

d. Reference

Find the odd one out:

d. Std::vector<bool>

Modularity means

d. Sub dividing programs into sub small independent parts