Welcome to the Memory Allocation and Variable Scope MCQs Page

Dive deep into the fascinating world of Memory Allocation and Variable Scope with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Memory Allocation and Variable Scope, a crucial aspect of Object Oriented Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Memory Allocation and Variable Scope, 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.

Check out the MCQs below to embark on an enriching journey through Memory Allocation and Variable Scope. 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 Memory Allocation and Variable Scope. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Memory Allocation and Variable Scope MCQs | Page 3 of 6

Explore more Topics under Object Oriented Programming

01

OOPs Concept and Features

02

Objects and Classes in OOPs

03

Constructors and Destructors

04

Access Specifiers

05

Class Members

06

Member Functions

07

Inheritance and its Types

08

Exception Handling

09

Objects and Pointers

10

Overloading

11

Inbuilt Classes

Q21.

Delete operator _________________

Can be used on pointers with null value

Can be used on pointers with void value

Can be used on pointer with value 0

Can be used on pointer with any value

Discuss

Answer: (c).Can be used on pointer with value 0

Q22.

When delete operator is used ___________________ (If object has a destructor)

Object destructor is called after deallocation

Object destructor is called before deallocation

Object destructor is not used

Object destructor can be called anytime during destruction

Discuss

Answer: (b).Object destructor is called before deallocation

Q23.

If delete is applied to an object whose l-value is modifiable, then _______________ after the object is deleted.

Its value is defined as null

Its value is defined as void

Its value is defined as 0

Its value is undefined

Discuss

Answer: (d).Its value is undefined

Q24.

How many variants of delete operator are available?

Only 1

Only 2

Only 3

Only 4

Discuss

Answer: (b).Only 2

Q25.

Which is the correct syntax to delete a single object?

delete *objectName;

objectName delete;

delete objectName;

objectName *delete;

Discuss

Answer: (c).delete objectName;

Q26.

Which is the correct syntax to delete array of objects?

delete [] objectName;

delete * objectName;

objectName[] delete;

delete objectName[];

Discuss

Answer: (a).delete [] objectName;

Q27.

Which cases among the following produces the undefined result?

delete [] on an independent object

delete on an object array

delete [] on an object and delete on object array

Undefined result is never produced

Discuss

Answer: (c).delete [] on an object and delete on object array

Q28.

The delete operator __________________

Invokes function operator delete

Invokes function defined by user to delete

Invokes function defined in global scope to delete object

Doesn’t invoke any function

Discuss

Answer: (a).Invokes function operator delete

Q29.

For objects that are not of class type ______________

Global delete operator is invoked

Local delete operator is invoked

Global user defined function is invoked

Local function to delete object is called

Discuss

Answer: (a).Global delete operator is invoked

Q30.

The delete operator __________________________

Can be defined for each class

Can’t be defined for each class

Can be defined globally only

Can’t be defined in a program explicitly

Discuss

Answer: (a).Can be defined for each class

Page 3 of 6

Welcome to the Memory Allocation and Variable Scope MCQs Page

Memory Allocation and Variable Scope MCQs | Page 3 of 6

Explore more Topics under Object Oriented Programming

OOPs Concept and Features

Objects and Classes in OOPs

Constructors and Destructors

Access Specifiers

Class Members

Member Functions

Inheritance and its Types

Exception Handling

Objects and Pointers

Overloading

Inbuilt Classes

Suggested Topics

Computer Graphics

DBMS

Human Computer Interaction

Internet of Things (IoT)

Systems Programming

Python

SQL Server

Formal Languages and Automata Theory

Wireless and Mobile Communications