26249074 c question paper 1

Question No. 1 of 30

The first fully Object-oriented language is

a. Java

b. C++

c. Simula

d. None of the Above


The value of EOF is

a. 1

b. 0

c. Infinity

d. -1


Which of the following notation compares two variables X and Y?

a. X==Y

b. X=Y

c. X!=Y

d. X equals Y


Which of the following denote stream classes in C++?

a. ios

b. fstream

c. ostream

d. All the Above


Which of the following allocates memory but does not initialize it?

a. new operator

b. operator new

c. Both A and B



Which of the following statements are TRUE?

a. Reference variables must be initialized in C++

b. Array of reference is possible

c. Both A) and B)



The private member in derived class

a. Cannot be inherited

b. Can be inherited at all instances

c. Can be inherited only if the derived class is inheriting from base class with private access level



Which of the following is used in C++ to create a copy of an object?

a. Assignment operator

b. Copy constructor

c. Both A) and B)



Which of the following denote insertion operator in C++?

a. &

b. <

c. <<

d. !


The output of operation 20%3 is

a. 6

b. 2

c. 1

d. 4


If a function in C++ does not return a value then its return type is denoted as

a. float

b. void

c. int



Which of the following denote operator of logical AND?

a. &&

b. ^&

c. !&

d. &


Which of the following operators cannot be overloaded?

a. sizeof

b. ::

c. :?

d. All the Above


The vtable entry for a pure virtual function in C++ is

a. zero

b. NULL

c. one

d. No Entry in vtable


Virtual functions are defined in

a. Derived class

b. Base class

c. Both A and B



Comments in C++ program is written by using

a. / /

b. //

c. /* /*

d. *


In Late binding the function calls gets resolved during

a. Compile Time

b. Run Time

c. Both A and B



Which of the following denotes growable array?

a. Vector

b. ArrayList

c. Both A and B



Reference to its own class can be accepted by

a. simple constructor

b. copy constructor

c. Both A and B



The operator that denotes address of a variable in C++ program is

a. *

b. %

c. $

d. &


The notation used for representing destructor in C++ program is

a. !

b. &

c. *

d. ~


The header that should be included while using manipulators in C++ is

a. iomanip.h

b. manip.h

c. ifstream.h



The isolation of data from direct access by a C+ program is called as

a. Data Hiding

b. Data Isolation

c. Data Encapsulation



The notation of member access operator in structures is

a. &

b. .

c. $

d. *


The notation of logical NOT operator in a C++ program is

a. :

b. ;

c. !



In C++ the function that is used to release the block of memory already used is

a. release

b. deallocate

c. delete

d. All the Above


An instance of a user-defined type is called

a. Class

b. Object

c. Method



Which of the following denote types of polymorphism in C++?

a. Virtual function

b. Function overloading

c. Operator Overloading

d. All the Above


Which of the following can be used to initialize a newly declared variable from an existing variable?

a. Virtual Function

b. Namespaces

c. copy constructor



A function in a C++ program can be called

a. Only Once

b. Cannot be called at all

c. Any number of times


1. The first fully Object-oriented language is

Answer: Simula

2. Which of the following notation compares two variables X and Y?

Answer: X==Y

3. Which of the following denote stream classes in C++?

Answer: All the Above

4. Which of the following allocates memory but does not initialize it?

Answer: operator new

5. The private member in derived class

Answer: Can be inherited only if the derived class is inheriting from base class with private access level

6. Which of the following is used in C++ to create a copy of an object?

Answer: Copy constructor

7. The output of operation 20%3 is

Answer: 2

8. If a function in C++ does not return a value then its return type is denoted as

Answer: void

9. Which of the following denote operator of logical AND?

Answer: &&

10. Which of the following operators cannot be overloaded?


11. Virtual functions are defined in

Answer: Derived class

12. Comments in C++ program is written by using

Answer: //

13. In Late binding the function calls gets resolved during

Answer: Run Time

14. The operator that denotes address of a variable in C++ program is

Answer: &

15. The notation used for representing destructor in C++ program is

Answer: ~

16. The header that should be included while using manipulators in C++ is

Answer: iomanip.h

17. The notation of member access operator in structures is

Answer: .

18. The notation of logical NOT operator in a C++ program is

Answer: !

19. In C++ the function that is used to release the block of memory already used is

Answer: delete

20. An instance of a user-defined type is called

Answer: Object

21. Which of the following denote types of polymorphism in C++?


22. Which of the following can be used to initialize a newly declared variable from an existing variable?

Answer: copy constructor

23. A function in a C++ program can be called

Answer: Any number of times

Incorrect Questions (7 / 30)

1. The value of EOF is

Answer: -1

2. Which of the following statements are TRUE?

Answer: Reference variables must be initialized in C++

3. Which of the following denote insertion operator in C++?

Answer: <<

4. The vtable entry for a pure virtual function in C++ is

Answer: NULL

5. Which of the following denotes growable array?

Answer: Both A and B

6. Reference to its own class can be accepted by

Answer: copy constructor

7. The isolation of data from direct access by a C+ program is called as

Answer: Data Hiding

Which of the following is an error statement in C++ array declaration?

int exforsys[5];

float exforsys[5][5];

int exforsys(10);

None of the Above

The notation used for representing destructor in C++ program is

!

&

*

~

Index of an array starts from

One

Zero

Two

None of the Above

What is the value of variable z when the following program segment ends? int z; for(z=0; z<50; z++) {}

51

49

0

50

Which of the following OOPS concepts are used with cin and cout?

Encapsulation

Data Hiding

Operator Overloading

None of the Above

Mutable keyword can be applied to

non-static data members of a class

non-const data members of a class

Both A and B

None of the Above

When dynamically allocated memory is lost to the C++ program then

warning occurs

memory leak occurs

The program executes successfully

None of the above

Objects have

behavior

state

Both A and B

None of the Above

The header file that must be included while using cout function in a C++ program is

conio.h

math.h

iostream.h

None of the Above

Which of the following denote newline character in C++ program?

'\n'

'/n'

'nc'

'/nc'

The actual implementation is present in

declaration

definition

Both A and B

None of the Above

Which of the following denotes growable array?

Vector

ArrayList

Both A and B

None of the Above

A function named as exforsys has three implementations associated with it. This means the function exforsys is

overloaded

Overriding

Both A and B

None of the Above

Which of the following denote advantages of inheritance?

saves program development time

code reusability

Both A and B

All the Above

Which of the following denote C++ looping statement?

while

do-while

for

All the Above

What is the minimum number of times a do loop would definitely get executed?

0

1

Infinity

Could not be predicted

Using pointers to call a function is called as

call by value

call by reference

call by address

All the Above

The members of a class are by default

private

public

protected

None of the Above

A condition that must be true on exit from a member function if called as

Precondition

Post-condition

Both A and B

None of the Above

The class that in C++ for file input is

ifstream

ofstream

Both A and B

The class that in C++ for file input is

Which of the following denote incorrect data type in C++?

real

double

float

int

Inheritance in C++ have default access specifier as

private

public

protected

None of the Above

When object of the first class is instantiated then which of the following is called?

Destructor

Constructor

Both A and B

None of the Above

The block of memory allocated by the new is released by using

delete

realloc

Both A and B

None of the Above

The first fully Object-oriented language is

Java

C++

Simula

None of the Above

A template can be instantiated by

Explicit Instantiation

Implicit instantiation

Both A and B

None of the Above

The function named as exforsys declared as int exforsys(float x, double y) has return type as

double

int

float

None of the Above

A function in a C++ program can be called

Only Once

Cannot be called at all

Any number of times

None of the Above

Correct Questions (20 / 30)

1. The vtable entry for a pure virtual function in C++ is

Answer: NULL

2. Which of the following is an error statement in C++ array declaration?

Answer: int exforsys(10);

3. The notation used for representing destructor in C++ program is

Answer: ~

4. Index of an array starts from

Answer: Zero

5. Objects have


6. The header file that must be included while using cout function in a C++ program is

Answer: iostream.h

7. Which of the following denote newline character in C++ program?

Answer: '\n'

8. A function named as exforsys has three implementations associated with it. This means the function exforsys is

Answer: overloaded

9. Which of the following denote C++ looping statement?


10. What is the minimum number of times a do loop would definitely get executed?

Answer: 1

11. Using pointers to call a function is called as

Answer: call by reference

12. The members of a class are by default

Answer: private

13. A condition that must be true on exit from a member function if called as

Answer: Post-condition

14. The class that in C++ for file input is

Answer: ifstream

15. Which of the following denote incorrect data type in C++?

Answer: real

16. When object of the first class is instantiated then which of the following is called?

Answer: Constructor

17. The block of memory allocated by the new is released by using

Answer: delete

18. The first fully Object-oriented language is

Answer: Simula

19. The function named as exforsys declared as int exforsys(float x, double y) has return type as

Answer: int

20. A function in a C++ program can be called

Answer: Any number of times

Incorrect Questions (10 / 30)

1. Which of the following statements are TRUE?

Answer: Reference variables must be initialized in C++

2. What is the value of variable z when the following program segment ends? int z; for(z=0; z<50; z++) {}

Answer: 50

3. Which of the following OOPS concepts are used with cin and cout?

Answer: Operator Overloading

4. Mutable keyword can be applied to


5. When dynamically allocated memory is lost to the C++ program then

Answer: memory leak occurs

6. The actual implementation is present in

Answer: definition

7. Which of the following denotes growable array?


8. Which of the following denote advantages of inheritance?


9. Inheritance in C++ have default access specifier as

Answer: private

10. A template can be instantiated by


26249074 c question paper 1

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