Explore topic-wise MCQs in Data Structures and Algorithms.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Data Structures and Algorithms knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the time complexity to insert a node based on position in a priority queue?

A. O(nlogn)
B. O(logn)
C. O(n)
D. O(n2)
Answer» D. O(n2)
2.

Which of the following is not an advantage of a priority queue?

A. Easy to implement
B. Processes with different priority can be efficiently handled
C. Applications with differing requirements
D. Easy to delete elements in any case
Answer» E.
3.

What is not a disadvantage of priority scheduling in operating systems?

A. A low priority process might have to wait indefinitely for the CPU
B. If the system crashes, the low priority systems may be lost permanently
C. Interrupt handling
D. Indefinite blocking
Answer» D. Indefinite blocking
4.

What is the time complexity to insert a node based on key in a priority queue?

A. O(nlogn)
B. O(logn)
C. O(n)
D. O(n<sup>2</sup>)
Answer» E.
5.

Select the appropriate code that inserts elements into the list based on the given key value.

A.
B.
Answer» B.
6.

Which of the following is not an application of priority queue?

A. Huffman codes
B. Interrupt handling in operating system
C. Undo operation in text editors
D. Bayesian spam filter
Answer» D. Bayesian spam filter
7.

With what data structure can a priority queue be implemented?

A. Array
B. List
C. Heap
D. All of the mentioned
Answer» E.