Data Structures in Operating Systems: Interactive Learning Quizzes

Question 1

In a virtual memory system, which data structure is commonly used to implement a page table?

Accepted Answer

Array

Answer

Linked list

Answer

Hash table

Answer

Tree

Question 2

In file systems, which data structure is commonly used to organize files and directories in a hierarchical manner?

Accepted Answer

Tree

Answer

Hash Table

Answer

Queue

Answer

Linked List

Question 3

Within an operating system, which data structure is optimal for managing shared resources among multiple threads, ensuring data integrity and preventing race conditions?

Accepted Answer

Semaphore

Answer

Array

Answer

Linked List

Answer

Queue

Question 4

Which data structure is commonly used in operating systems to represent hierarchical relationships, such as file system directories or process hierarchies?

Accepted Answer

Tree

Answer

Linked List

Answer

Array

Answer

Hash Table

Question 5

In operating systems, which data structure is typically employed for process scheduling?

Accepted Answer

Queue

Answer

Array

Answer

Stack

Answer

Linked list

Question 6

When managing free memory blocks, what key advantage does a linked list provide?

Accepted Answer

Efficient insertion and deletion operations

Answer

Enhanced search performance

Answer

Compact memory utilization

Answer

Reduced memory fragmentation

Question 7

Which data structure offers constant-time element access, making it suitable for implementing a file allocation table?

Accepted Answer

Array

Answer

Linked list

Answer

Stack

Answer

Queue

Question 8

Priority queues fall under which category of data structures?

Accepted Answer

Tree-based

Answer

Hash-based

Answer

Array-based

Answer

Graph-based

Question 9

In virtual memory management, which data structure is employed to represent the page table?

Accepted Answer

Array

Answer

Hash table

Answer

Linked list

Answer

Tree

Question 10

Within a demand paging scheme, which data structure is utilized to keep track of pages that require loading into memory?

Accepted Answer

Queue

Answer

Stack

Answer

Hash table

Answer

Priority queue

Question 11

Which data structure is commonly used to manage memory in an operating system?

Accepted Answer

Heap

Answer

LinkedList

Answer

Array

Answer

Stack

Question 12

Which process scheduling algorithm favors shorter jobs over longer jobs?

Accepted Answer

Shortest-Job-First

Answer

First-Come-First-Served

Answer

Round-Robin

Answer

Priority Scheduling

Question 13

What is the primary function of a File Allocation Table (FAT) in a file system?

Accepted Answer

To track the location of data blocks for files

Answer

To store file and directory names

Answer

To manage access permissions

Answer

To store the contents of files and directories

Question 14

What is the average time complexity for inserting an element into a balanced binary search tree?

Accepted Answer

O(log n)

Answer

O(n)

Answer

O(n^2)

Answer

O(1)

Question 15

Which of the following is NOT an advantage of using a hash table?

Accepted Answer

Preservation of key order

Answer

Efficient insertion and lookup operations

Answer

Low memory overhead

Answer

Collision handling

Question 16

How does a depth-first search (DFS) differ from a breadth-first search (BFS)?

Accepted Answer

DFS prioritizes exploring all nodes at a given level before moving to the next level, while BFS prioritizes exploring all branches before moving to the next level.

Answer

BFS prioritizes exploring all nodes at a given level before moving to the next level, while DFS prioritizes exploring all branches before moving to the next level.

Answer

DFS uses a FIFO queue for traversal, while BFS uses a LIFO stack.

Answer

BFS uses a FIFO queue for traversal, while DFS uses a LIFO stack.

Question 17

In a preemptive multitasking operating system, which data structure is commonly used to manage ready processes, enabling quick context switching between tasks?

Accepted Answer

Queue

Answer

Array

Answer

Stack

Answer

Tree

Question 18

Which data structure is ideal for quickly finding a file's metadata using its unique identifier in an operating system, enhancing file access efficiency?

Accepted Answer

Hash Table

Answer

Linked List

Answer

Array

Answer

Binary Search Tree

Question 19

Which data structure is inherently most suitable to represent the memory map of a running process, which assigns memory addresses to a sequence of pages?

Accepted Answer

Array

Answer

Tree

Answer

Hash table

Answer

Queue

Question 20

In the context of process scheduling, what is the primary objective of a process scheduler in an operating system?

Accepted Answer

To determine the order in which processes will execute

Answer

To ensure fairness in process execution

Answer

To manage resources allocated to processes

Answer

To handle communication between processes

Question 21

Which data structure is commonly used in file systems to organize and represent the hierarchical arrangement of directories and files?

Accepted Answer

Binary tree

Answer

Linked list

Answer

Hash table

Answer

Array

Question 22

In a file allocation table (FAT), what is the primary benefit of utilizing a linked list structure?

Accepted Answer

Enhanced performance in fragmented file systems

Answer

Faster file data access

Answer

Reduced memory consumption

Answer

Increased file system security

Question 23

In the context of cache memory implementation within an operating system, which data structure is commonly employed for efficient data storage and retrieval?

Accepted Answer

Hash table

Answer

Priority queue

Answer

Stack

Answer

Linked list

Question 24

In a file allocation table (FAT), what is the key advantage of using an array-based structure?

Accepted Answer

Faster access to file data

Answer

Improved performance in fragmented file systems

Answer

Reduced memory consumption

Answer

Increased file system security

Question 25

In the context of virtual memory management within an operating system, which data structure is commonly employed to map virtual memory addresses to physical memory locations?

Accepted Answer

Page table

Answer

Segment table

Answer

Hash table

Answer

Linked list

Question 26

In the context of database systems, what is the primary advantage of utilizing a skip list as an index structure?

Accepted Answer

Enhanced search performance

Answer

Reduced memory consumption

Answer

Increased data security

Answer

Simplified implementation

Question 27

Which data structure is commonly used for memory management in an operating system, handling allocation and deallocation efficiently?

Accepted Answer

Heap

Answer

Array

Answer

Stack

Answer

Linked list

Question 28

In process scheduling, a priority queue is utilized for which purpose?

Accepted Answer

Prioritizing processes based on their significance

Answer

Ensuring fairness in process execution

Answer

Preventing starvation of low-priority processes

Answer

Minimizing context switching overhead

Question 29

Which data structure effectively represents a hierarchical file system structure?

Accepted Answer

Binary tree

Answer

Hash table

Answer

Linked list

Answer

Graph

Question 30

Which data structure is employed in implementing a virtual memory system?

Accepted Answer

Page table

Answer

Inode

Answer

Directory

Answer

Semaphore

Question 31

In an operating system, what is the primary function of a semaphore?

Accepted Answer

Synchronizing access to shared resources

Answer

Managing memory allocation

Answer

Scheduling processes

Answer

Handling input and output operations

Question 32

Which data structure is used to represent the state of a process within an operating system?

Accepted Answer

Process control block

Answer

Thread control block

Answer

Context switch block

Answer

Interrupt descriptor table

Question 33

Which data structure is utilized in implementing deadlock detection algorithms?

Accepted Answer

Directed graph

Answer

Adjacency list

Answer

Weighted graph

Answer

Tree

Question 34

In operating systems, which data structure is commonly used for memory allocation management?

Accepted Answer

Heap

Answer

Linked List

Answer

Queue

Answer

Stack

Question 35

Which data structure is typically employed to implement a first-in, first-out (FIFO) algorithm for process scheduling?

Accepted Answer

Circular Buffer

Answer

Binary Search Tree

Answer

Hash Table

Answer

Graph

Question 36

When managing process control blocks (PCBs), what is the primary advantage of using a hash table?

Accepted Answer

Efficient lookup

Answer

FIFO ordering

Answer

LIFO ordering

Answer

Random access

Question 37

To represent dependency relationships between tasks in a task scheduling algorithm, which data structure is suitable?

Accepted Answer

Adjacency List

Answer

Doubly Linked List

Answer

Skip List

Answer

B-Tree

Question 38

For maintaining a hierarchical structure, such as a file system directory tree, which data structure is appropriate?

Accepted Answer

Tree

Answer

Graph

Answer

Linked List

Answer

Array

Question 39

In a virtual memory system, which data structure is optimal for implementing a page table?

Accepted Answer

Array

Answer

Stack

Answer

Linked List

Question 40

In a virtual memory system, which data structure is utilized to manage the mapping between virtual memory addresses and physical memory frames?

Accepted Answer

Page table

Answer

Hash table

Answer

Linked list

Answer

B-tree

Question 41

Which scheduling algorithm relies on a first-in, first-out (FIFO) approach to manage processes, maintaining a queue of processes waiting for execution?

Accepted Answer

First-come, first-served (FCFS)

Answer

Shortest job first (SJF)

Answer

Round-robin

Question 42

In a hierarchical file system, what type of data structure is employed to represent the organization and relationships between directories and files?

Accepted Answer

Tree

Answer

Graph

Answer

Set

Answer

Array

Question 43

In the context of process management, what data structure is employed by the kernel to store essential information about each running process, including its state, resources, and scheduling priority?

Accepted Answer

Process control block (PCB)

Answer

File control block (FCB)

Answer

Thread control block (TCB)

Question 44

Within a file system, what data structure is used to efficiently manage and track available disk space by marking blocks as either allocated or free?

Accepted Answer

Bitmap

Answer

Linked list

Answer

Tree

Answer

Array

Question 45

In a priority-based process scheduling system, which data structure is employed to organize processes according to their priority levels, enabling efficient scheduling based on priority?

Accepted Answer

Heap

Answer

Stack

Answer

Queue

Answer

Linked list

Question 46

In a file system, what data structure is responsible for storing metadata associated with files, such as file size, timestamps, and ownership information?

Accepted Answer

Inode

Answer

File

Answer

Block

Answer