Operating Systems Quizzes: Test Your Knowledge

Question 1

Which of the following is **not** a primary responsibility of an operating system in managing computer resources?

Accepted Answer

Providing a user interface for user interaction

Answer

Managing hardware resources (e.g., CPU, memory, I/O devices)

Answer

Scheduling and managing the execution of processes

Answer

Managing file systems (organizing and storing data on storage devices)

Question 2

In operating systems, which memory management technique divides memory into fixed-size units called pages?

Accepted Answer

Paging

Answer

Segmentation

Answer

Virtual memory

Answer

Swapping

Question 3

What is the primary function of an operating system?

Accepted Answer

Orchestrating tasks and resource allocation

Answer

Managing user permissions and accounts

Answer

Translating high-level code into machine language

Answer

Receiving and managing electronic mail messages

Question 4

In a time-sharing operating system, what is a primary advantage it offers compared to other operating systems?

Accepted Answer

Increased utilization of hardware resources.

Answer

Enhanced performance for specific, single-user applications.

Answer

Reduced system administration and maintenance tasks.

Answer

Improved user experience due to faster response times.

Question 5

Within the realm of operating systems, which concept is pivotal in allowing multiple processes to efficiently utilize the CPU?

Accepted Answer

Scheduling

Answer

Virtualization

Answer

Concurrency

Answer

Deadlock

Question 6

What is the primary role of an operating system in managing computer hardware?

Accepted Answer

Controlling data and instruction flow between hardware components

Answer

Converting high-level code into machine code

Answer

Providing a graphical interface for user interaction

Answer

Storing and retrieving files from storage devices

Question 7

What is the primary responsibility of an operating system's memory manager?

Accepted Answer

Managing the allocation and deallocation of physical memory.

Answer

Providing a user interface.

Answer

Handling input and output operations.

Answer

Translating high-level languages into machine code.

Question 8

Which task is typically NOT performed by an operating system kernel?

Accepted Answer

Providing a graphical user interface (GUI)

Answer

Managing system resources (e.g., memory, CPU)

Answer

Handling input/output operations from devices

Answer

Scheduling and managing processes and threads

Question 9

Which of the following is NOT a fundamental concept in operating system design?

Accepted Answer

Graphical User Interface

Answer

Process Synchronization

Answer

Deadlock Prevention

Answer

Memory Allocation

Question 10

Which of the following is a primary function of an operating system?

Accepted Answer

Managing processes and memory

Answer

Displaying advertisements

Answer

Accessing social media

Answer

Updating software

Question 11

What is the primary distinction between preemptive and non-preemptive schedulers?

Accepted Answer

Preemptive schedulers can interrupt running processes, while non-preemptive schedulers cannot.

Answer

Preemptive schedulers are used in real-time systems, while non-preemptive schedulers are used in batch systems.

Answer

Preemptive schedulers require more overhead than non-preemptive schedulers.

Question 12

In an operating system, which component is responsible for controlling the execution of processes?

Accepted Answer

Process Management

Answer

Memory Management

Answer

User Interface

Answer

File Systems

Question 13

What is a defining characteristic that sets real-time operating systems (RTOS) apart from general-purpose operating systems?

Accepted Answer

Deterministic behavior and high reliability

Answer

Support for multitasking and graphical user interface (GUI)

Answer

Focus on memory management and file systems

Answer

Lack of support for networking and inter-process communication

Question 14

In an operating system, what is the primary responsibility of the memory manager?

Accepted Answer

Allocating memory to processes and threads

Answer

Scheduling the execution of processes and threads

Answer

Enforcing memory protection and isolation

Answer

Providing a graphical user interface for user interaction

Question 15

Which component is not considered a core element of an operating system's functionality?

Accepted Answer

Web server

Answer

Process management

Answer

File system

Answer

Network management

Question 16

Which of the following is NOT a primary function of an operating system?

Accepted Answer

Running web servers

Answer

Managing system resources

Answer

Processing user commands

Answer

Handling application requests

Question 17

Which component is not considered a core element of an operating system?

Accepted Answer

Graphical user interface (GUI)

Answer

Process management

Answer

Memory management

Answer

File systems

Question 18

Which of the following is NOT a benefit of using a virtual machine monitor (VMM)?

Accepted Answer

Improved performance

Answer

Isolation of applications

Answer

Increased security

Answer

Portability of applications

Question 19

Which of the following is NOT a core component of an operating system?

Accepted Answer

B. Compiler

Answer

A. Process scheduler

Answer

C. Memory manager

Answer

D. File system

Question 20

Which technique is used for moving inactive pages of memory to disk to free up physical memory for active processes, but is not a memory management technique?

Accepted Answer

Swapping

Answer

Paging

Answer

Segmentation

Answer

Virtualization

Question 21

Which of the following is NOT a fundamental component of an operating system?

Accepted Answer

Compiler

Answer

Process Management

Answer

Memory Management

Answer

File Systems

Question 22

Which of the following is NOT a primary responsibility of an operating system?

Accepted Answer

Performing complex mathematical calculations

Answer

Managing computer hardware and its resources

Answer

Facilitating interaction between users and the computer

Answer

Scheduling and managing tasks and processes

Question 23

Which concept is not a core responsibility of an operating system?

Accepted Answer

Database Management

Answer

Process Management

Answer

Memory Management

Answer

File Systems

Question 24

What is a drawback of employing a monolithic kernel in an operating system?

Accepted Answer

Reduced flexibility and scalability

Answer

Enhanced security and reliability

Answer

Improved memory efficiency

Answer

Simplified debugging and maintenance

Question 25

What is the primary objective of the Round-Robin scheduling algorithm in operating systems?

Accepted Answer

Minimize the average waiting time of processes.

Answer

Prioritize processes based on their arrival time.

Answer

Maximize the throughput of the system.

Question 26

Which of the following is NOT a primary security measure used by operating systems to safeguard data and resources?

Accepted Answer

System performance tuning

Answer

Data encryption

Answer

Access control

Answer

Malware detection and prevention

Question 27

In virtual memory, what is a primary advantage it provides compared to conventional memory management approaches?

Accepted Answer

Enhanced memory utilization and reduced memory fragmentation

Answer

Elimination of the requirement for a memory management unit (MMU)

Answer

Reduced susceptibility to memory leaks and security flaws

Answer

Support for a restricted number of processes

Question 28

Which memory allocation technique uses fixed-size blocks to enhance memory utilization and minimize fragmentation?

Accepted Answer

Buddy allocation

Answer

Paging

Answer

Segmentation

Question 29

An operating system protects against unauthorized resource access. Which principle is most closely related to this protection mechanism?

Accepted Answer

Least privilege

Answer

Abstraction

Answer

Virtualization

Answer

Concurrency

Question 30

Which of the following is a crucial challenge that operating systems must address effectively?

Accepted Answer

Preserving the integrity and consistency of stored data

Accepted Answer

Preventing unauthorized access to the system and its resources

Answer

Ensuring a user-friendly interface for human-computer interaction

Answer

Maximizing the performance of specific applications

Question 31

In process management, how does a multilevel feedback queue scheduler typically handle newly created processes?

Accepted Answer

Assigns them to the highest-priority queue and moves them to lower queues as they age.

Answer

Assigns them to the lowest-priority queue and moves them to higher queues based on their duration.

Answer

Schedules them using a round-robin algorithm without considering priorities or aging.

Question 32

Which type of operating system prioritizes quick and predictable responses, catering to applications that require immediate attention?

Accepted Answer

Real-time operating system

Answer

Time-sharing operating system

Answer

Batch processing operating system

Question 33

Explain the role of a boot loader in the operating system startup process, including how it initializes the hardware and loads the kernel into memory.

Accepted Answer

Initializes hardware, performs memory checks, and loads the kernel into memory.

Answer

Manages user accounts, controls file system access, and provides a graphical user interface.

Answer

Compiles the operating system kernel source code and creates an executable file.

Answer

Used only in embedded systems, not general-purpose computers.

Question 34

What is the primary function of system calls in an operating system?

Accepted Answer

To provide an interface between user-level applications and the kernel, enabling access to system resources and services.

Answer

To notify user-level applications about system events.

Answer

To manage memory allocation and deallocation for user-level applications.

Answer

To restrict access to certain system resources only to privileged applications.

Question 35

What challenge is specific to distributed operating systems, unlike centralized operating systems?

Accepted Answer

Guaranteeing data consistency despite network failures

Answer

Managing shared memory among multiple processes

Answer

Handling concurrent resource access by multiple users

Question 36

Which of the following is **NOT** a primary security threat to operating systems?

Accepted Answer

Hardware failure

Answer

Malware

Answer

Buffer overflow

Answer

Phishing

Question 37

What is the purpose of a scheduling algorithm in an operating system?

Accepted Answer

To determine the order in which processes are executed on the CPU

Answer

To allocate memory to processes

Answer

To manage file system access

Answer

To handle input/output operations

Question 38

Managing the allocation and usage of hardware resources, such as CPU, memory, and storage, is a primary responsibility of which component in a computer system?

Accepted Answer

Operating system

Answer

Application software

Answer

System software

Answer

Utility program

Question 39

Which of the following best defines a process in the context of an operating system?

Accepted Answer

A program actively executing on the CPU

Answer

A collection of related threads sharing resources

Answer

A unit of memory reserved for a specific task

Answer

A physical device connected to the computer

Question 40

In an operating system, the file system is primarily responsible for what essential function?

Accepted Answer

Organizing, storing, and retrieving data files on secondary storage devices

Answer

Providing security and protection mechanisms for user data

Answer

Detecting and correcting errors that occur during data transmission

Answer

Managing the drivers and interfaces for hardware peripherals

Question 41

Which option is NOT a recognized classification of operating systems?

Accepted Answer

Hypervisor

Answer

Batch operating system

Answer

Real-time operating system

Answer

Cloud-based operating system

Question 42

The core component of an operating system, responsible for managing the interface between hardware and software, is known as:

Accepted Answer

Kernel

Answer

User interface

Answer

Command interpreter

Answer

Network manager

Question 43

Which advantage of using virtual memory is primarily related to expanding the available memory capacity beyond physical limits?

Accepted Answer

Increased memory capacity without physical addition

Answer

Improved performance by caching frequently used data

Answer

Enhanced security by isolating processes from each other

Answer

Reduced power consumption by suspending unused processes

Question 44

What is the primary goal of process scheduling in an operating system?

Accepted Answer

To efficiently allocate CPU time among multiple processes

Answer

To minimize the average waiting time for interactive processes

Answer

To ensure equal execution time for all processes

Answer

To prevent deadlocks and ensure system stability

Question 45

Which file system structure represents files and directories as nodes connected in a hierarchical tree-like manner?

Accepted Answer

Hierarchical file structure

Answer

Flat file structure

Answer

Linked file structure

Answer

Indexed file structure

Question 46

What is the main purpose of a device driver in an operating system?

Accepted Answer

To enable communication between the operating system and specific hardware devices

Answer

To provide a graphical user interface for interacting with the system

Answer

To manage and allocate memory resources for hardware components

Answer

To handle error recovery and troubleshooting for hardware failures

Question 47

Which of the following is a benefit of using a hierarchical file system structure?

Accepted Answer

Easy organization and navigation

Answer

Improved file access speed

Answer

Increased storage capacity

Answer

Enhanced data security

Question 48

Which process scheduling algorithm assigns a fixed time slice to each process and cycles through them?

Accepted Answer

Round-robin scheduling

Answer

Priority scheduling

Answer

Shortest job first

Answer

Shortest remaining time next

Question 49

Which memory management technique allows multiple processes to share the same physical memory space?

Accepted Answer

Virtual memory

Answer

Paging

Answer

Segmentation

Answer

Cache

Question 50

Which of the following is a type of file system that stores data across multiple physical disks to improve reliability and performance?

Accepted Answer

RAID

Answer

Flat file system

Answer

Hierarchical file system

Answer

Partitioned file system

Question 51

Which operating system is known for its commercial, closed-source nature and dominance in the desktop market?

Accepted Answer

Windows

Answer

macOS

Answer

Linux

Answer

Android

Question 52

Which process synchronization mechanism ensures that only one process can access a critical section of code at a time?

Accepted Answer

Mutex

Answer

Semaphore

Answer

Monitor

Answer

Producer-consumer problem

Question 53

Which operating system component is responsible for providing a user interface and executing user commands?

Accepted Answer

Shell

Answer

Kernel

Answer

Device driver

Answer

File system

Question 54

What is a primary advantage of using a virtual memory system in an operating system?

Accepted Answer

Increases the perceived size of physical memory

Answer

Eliminates the requirement for physical memory

Answer

Ensures adequate memory for all processes at all times

Answer

Enhances data retrieval speed

Question 55

Which of the following is NOT a core responsibility of an operating system?

Accepted Answer

Providing user interface

Answer

Managing processes

Answer

Allocating memory

Answer

Handling input and output

Question 56

Which scheduling algorithm is designed to prioritize processes that require less time to complete?

Accepted Answer

Shortest job first

Answer

First-come, first-served

Answer

Round-robin

Answer

Priority-based

Question 57

Which file system type is optimized for storing large datasets, such as those used in data analytics?

Accepted Answer

HDFS

Answer

FAT

Answer

NTFS

Answer

Ext4

Question 58

Which operating system is renowned for its exceptional security and stability, making it popular for critical infrastructure?

Accepted Answer

Linux

Answer

Windows 10

Answer

macOS

Answer

Android

Question 59

What is the primary purpose of a virtual memory system in an operating system?

Accepted Answer

To augment physical memory by utilizing secondary storage

Answer

To enhance the performance of input and output operations

Answer

To increase the number of processes that can be executed concurrently

Answer

To reduce the overall physical memory required

Question 60

Which benefit is primarily associated with multi-threading?

Accepted Answer

Enhanced performance

Answer

Reduced memory consumption

Answer

Simplified code design

Answer

Increased reliability

Question 61

What is the primary function of a semaphore in an operating system?

Accepted Answer

To synchronize access to shared resources

Answer

To protect critical sections of code

Answer

To schedule processes

Answer

To allocate memory dynamically

Question 62

Which file system employs a copy-on-write mechanism to optimize storage efficiency?

Accepted Answer

ZFS

Answer

FAT

Answer

NTFS

Answer

Ext4

Question 63

Discuss the design and implementation challenges associated with RAID file systems. Explain the techniques commonly used to address these challenges.

Accepted Answer

RAID systems employ mirroring and striping techniques to overcome design and implementation challenges.

Answer

RAID systems face no significant design or implementation challenges.

Answer

RAID systems are impractical due to inherent challenges and are rarely used in practice.

Answer

RAID systems do not require specialized techniques to address design and implementation challenges.

Question 64

Which type of operating system is specifically designed and optimized to manage extensive computing environments, encompassing supercomputers, data centers, and high-performance computing systems?

Accepted Answer

Distributed operating system

Answer

Multi-user operating system

Answer

Batch operating system

Answer

Real-time operating system