Crowdly

Add to Chrome

FM121 Programming and Data Structures

Looking for FM121 Programming and Data Structures test answers and solutions? Browse our comprehensive collection of verified answers for FM121 Programming and Data Structures at dle.plaksha.edu.in.

Get instant access to accurate answers and detailed explanations for your course questions. Our community-driven platform helps students succeed!

Consider this code:

Person P1(2);
P1.children_list[0]= "Aryan";
P1.children_list[1]= "Siya";
Person P2 = P1;   
P2.children_list[0]= "Ananya";
What will be the content of P1.children_list[0] after this?

Undefined

"Aryan"

Compilation error

"Ananya"

View this question

Which of the following is FALSE about friend functions?

They can access private and protected members

They are declared inside class but defined outside

They are not members of the class

They can be called using an object like obj.friendFunc()

View this question

If a class B is declared as a friend of class A, then:

All member functions of B can access private members of A.

All member functions of A can access private members of B.

none of above

Only some members of B can access private members of A.

View this question

The operator is commonly overloaded to print object data using cout.

View this question

Which of the following cannot be friend?

Object

Class

Function

Operator function

View this question

What happens when you try to execute this code?

 int x = 20, z = 30;
 int &n = x;
 n = z; // This line

Compilation error occurs

❌

z gets the value 20

❌

n now refers to variable z instead of x

❌

The value of x becomes 30, n still refers to x

✅

View this question

Consider this code sequence:

 Wallet w1(100, 50);
 Wallet w2;
 w2 = w1;        // Line 1
 Wallet w3 = w1; // Line 2

Which statement is correct?

Both lines invoke the assignment operator

❌

Both lines invoke the copy constructor

Line 1 invokes assignment operator, Line 2 invokes copy constructor

Line 1 invokes copy constructor, Line 2 invokes assignment operator

View this question

Consider a class Student with a static variable totalStudents. If you create 5 Student objects in your program, what will be the memory allocation pattern for this static variable?

One memory location shared by all 5 objects

✅

Memory allocation depends on the constructor used

❌

Five separate memory locations, one for each object

❌

5 memory locations in heap, managed automatically

❌

View this question

What happens when you declare: const Wallet* const ptr = &myWallet;

You can both modify the wallet and reassign ptr

❌

You can modify the wallet through ptr, but you cannot reassign ptr

❌

You cannot modify the wallet through ptr, and you cannot reassign ptr

✅

You cannot modify the wallet through ptr, but you can reassign ptr

❌

View this question

Two classes Student and Faculty both have private member int id. If a Student object tries to access the id of a Faculty object within a Student member function, what happens?

It works fine since both have the same member name

❌

Compilation error - cannot access private members of different classes

It works but only if both classes inherit from the same base class

Runtime error - illegal memory access

View this question

Want instant access to all verified answers on dle.plaksha.edu.in?

Get Unlimited Answers To Exam Questions - Install Crowdly Extension Now!

Add to Chrome

Telegram Instagram TikTok Question Bank