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Welcome to the Objects and Pointers MCQs Page

Dive deep into the fascinating world of Objects and Pointers with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Objects and Pointers, a crucial aspect of Object Oriented Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Objects and Pointers, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Object Oriented Programming.

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Check out the MCQs below to embark on an enriching journey through Objects and Pointers. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Object Oriented Programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Objects and Pointers. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Objects and Pointers MCQs | Page 3 of 8

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Q21.
How many independent objects can be returned at same time from a function?

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (a).1
Q22.
Which error will be produced if a local object is returned by reference outside a function?

a.

Out of memory error

b.

Run time error

c.

Compile time error

d.

No error

Discuss
Answer: (c).Compile time error
Q23.
If object is passed by reference ____________________

a.

Temporary object is created

b.

Temporary object is created inside the function

c.

Temporary object is created for few seconds

d.

Temporary object is not created

Discuss
Answer: (d).Temporary object is not created
Q24.
Can we return an array of objects?

a.

Yes, always

b.

Ye, only if objects are having same values

c.

No, because objects contain many other values

d.

No, because objects are single entity

Discuss
Answer: (a).Yes, always
Q25.
If an object is passed by reference to a function then it must be returned by reference.

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (b).False
Q26.
Which among the following is correct?

a.

Two objects can point to the same memory location

b.

Two objects can never point to the same memory location

c.

Objects not allowed to point at a location already occupied

d.

Objects can’t point to any address

Discuss
Answer: (a).Two objects can point to the same memory location
Q27.
If an object is being returned by value then __________________________

a.

Its member values are made constant

b.

Its member values have to be copied individually

c.

Its member values are not used

d.

Its member values are copied using copy constructor

Discuss
Answer: (d).Its member values are copied using copy constructor
Q28.
Why temporary object is not created in return by reference?

a.

Because compiler can’t create temporary objects

b.

Because the temporary object is created within the function

c.

Because return by reference just make the objects points to values memory location

d.

Because return by reference just make the object point to null

Discuss
Answer: (c).Because return by reference just make the objects points to values memory location
Q29.
When value of an object is assigned to another object, ___________________

a.

It becomes invalid statement

b.

Its values gets copied into another object

c.

Its values gets address of the existing values

d.

The compiler doesn’t execute that statement

Discuss
Answer: (b).Its values gets copied into another object
Q30.
If an object is created and another object is assigned to it, then ________________

a.

Copy constructor is called to copy the values

b.

Object is copied directly to the object

c.

Reference to another object is created

d.

The new object is initialized to null values

Discuss
Answer: (c).Reference to another object is created
Page 3 of 8

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