2000+ C-and-c- Questions - Set 265 [With Solutions]

C-and-c- Questions Set 265:

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C-and-c- Questions

Set 265/276

Which operator has the highest precedence?

Postfix

Unary

Shift

Equality

What do function objects implement?

operator

operator()

operand

operand<>

What will be the output of the following C++ code?

1 2 3

3 2 1

2 1 3

1 3 2

#include <stdio.h>

int main() {

printf("%d",printf("Abekus learning"));

return 0;

}

Which of the following storage classes are supported in C++?

Auto

Mutable

Extern

All of the above

What is the time complexity of balancing parentheses algorithm?

O(N)

O(N log N)

O(M log N)

O(N^2)

What is the role of a constructor in classes?

To modify the data whenever required

To destroy an object

To initialize the data members of an object when it is created

To call private functions from the outer world

What is the main difference between 'new' and 'malloc()' in C++?

new returns the exact data type, while malloc() returns void *

new calls constructors, while malloc() does not

new is an operator, while malloc() is a function

All of the above

Under which of the following scenarios is page replacement algorithm required?

When total memory exceeds physical memory

To determine the number of frames for each process

When paging and segmentation are to be used

Execution of a process, not in memory

Which of the following is correct about the use of 'new' and 'malloc' in C++?

Both 'new' and 'malloc' are available in C++

Pointer object initialization of a class with both 'new' and 'malloc' calls the constructor of that class

Pointer object initialization of a class using 'new' involves a constructor call, whereas using 'malloc' does not involve a constructor call

Pointer object initialization of a class using 'malloc' involves a constructor call, whereas using 'new' does not involve a constructor call

Quiz Mode

Qn. Sets

C-and-c- Questions Set 265:

C-and-c- Questions

Which operator has the highest precedence?

Reveal Answer

Reveal Answer

What do function objects implement?

Reveal Answer

Reveal Answer

What will be the output of the following C++ code?

Reveal Answer

Reveal Answer

#include <stdio.h> int main() { printf("%d",printf("Abekus learning")); return 0; }

Reveal Answer

Reveal Answer

Which of the following storage classes are supported in C++?

Reveal Answer

Reveal Answer

What is the time complexity of balancing parentheses algorithm?

Reveal Answer

Reveal Answer

What is the role of a constructor in classes?

Reveal Answer

Reveal Answer

What is the main difference between 'new' and 'malloc()' in C++?

Reveal Answer

Reveal Answer

Under which of the following scenarios is page replacement algorithm required?

Reveal Answer

Reveal Answer

Which of the following is correct about the use of 'new' and 'malloc' in C++?

Reveal Answer

Reveal Answer

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#include <stdio.h>

int main() {

printf("%d",printf("Abekus learning"));

return 0;

}