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Introduction to Operating Systems MCQs with Answers

What is the main function of an operating system?
a) Running applications
b) Managing hardware and software resources
c) Providing network access
d) Displaying graphics

Answer
b) Managing hardware and software resources

Which of the following is NOT an example of an operating system?
a) Windows
b) Linux
c) Android
d) Microsoft Office

Answer
d) Microsoft Office

What does an operating system’s kernel manage?
a) Application execution
b) Memory allocation
c) User interface
d) Network protocols

Answer
b) Memory allocation

Which of the following is an operating system designed for mobile devices?
a) Windows XP
b) Android
c) DOS
d) Linux Mint

Answer
b) Android

What type of operating system manages multiple tasks at the same time?
a) Single-tasking
b) Multi-tasking
c) Time-sharing
d) Real-time

Answer
b) Multi-tasking

Which of the following is a role of an operating system’s process management?
a) Managing file systems
b) Managing the execution of processes
c) Handling memory allocation
d) Providing network access

Answer
b) Managing the execution of processes

Which of these operating systems is open source?
a) Windows 10
b) macOS
c) Linux
d) iOS

Answer
c) Linux

Which of the following is responsible for handling the communication between hardware and software in an operating system?
a) Kernel
b) GUI
c) User interface
d) File system

Answer
a) Kernel

Which of the following is an operating system feature responsible for file management?
a) Process scheduling
b) Memory allocation
c) Managing file storage and retrieval
d) Managing peripheral devices

Answer
c) Managing file storage and retrieval

Which of the following operating systems is used for real-time applications?
a) Windows
b) Android
c) Linux
d) RTOS (Real-Time Operating System)

Answer
d) RTOS (Real-Time Operating System)

What type of operating system is responsible for handling time-critical tasks?
a) Batch operating system
b) Real-time operating system
c) Network operating system
d) Multi-user operating system

Answer
b) Real-time operating system

Which of the following is an operating system used in servers?
a) Windows Server
b) Android
c) iOS
d) Google Chrome OS

Answer
a) Windows Server

What is the primary responsibility of an operating system’s memory management?
a) Managing input/output operations
b) Allocating memory space to processes
c) Managing peripheral devices
d) Providing network connectivity

Answer
b) Allocating memory space to processes

Which of the following is a characteristic of a multi-user operating system?
a) Only one user can interact with the system at a time
b) Multiple users can access the system simultaneously
c) It is primarily used for mobile devices
d) It is designed for single-task operations

Answer
b) Multiple users can access the system simultaneously

What does the term “virtual memory” refer to in an operating system?
a) Memory reserved for system processes only
b) A portion of the disk used as an extension of RAM
c) Memory that cannot be modified by programs
d) Memory shared by all users on a network

Answer
b) A portion of the disk used as an extension of RAM

Which of the following is an operating system component that provides a user-friendly interface?
a) Kernel
b) File system
c) Graphical User Interface (GUI)
d) Process scheduler

Answer
c) Graphical User Interface (GUI)

Which of the following operating systems is commonly used on personal computers?
a) RTOS
b) Linux
c) iOS
d) Microsoft Windows

Answer
d) Microsoft Windows

Which of the following is a function of an operating system’s device management?
a) Allocating CPU time to processes
b) Managing communication between the system and hardware devices
c) Organizing files and directories
d) Providing network connectivity

Answer
b) Managing communication between the system and hardware devices

Which of the following operating systems is designed to work without a graphical user interface?
a) Linux
b) Windows
c) DOS
d) macOS

Answer
c) DOS

What type of operating system is used to manage large-scale computer systems like supercomputers?
a) Desktop operating system
b) Real-time operating system
c) Network operating system
d) Mainframe operating system

Answer
d) Mainframe operating system

Which of the following is an example of an embedded operating system?
a) iOS
b) Linux
c) Android
d) RTOS (Real-Time Operating System)

Answer
d) RTOS (Real-Time Operating System)

Which of the following is NOT a function of an operating system?
a) Process management
b) Memory management
c) File management
d) Software development

Answer
d) Software development

Which of the following operating systems is open-source?
a) Windows
b) macOS
c) Linux
d) iOS

Answer
c) Linux

What is the function of the operating system’s scheduler?
a) Managing memory allocation
b) Allocating CPU time to processes
c) Running application programs
d) Managing input/output devices

Answer
b) Allocating CPU time to processes

Which of the following is a major advantage of using an operating system with a graphical user interface (GUI)?
a) It uses fewer system resources
b) It provides a more user-friendly way to interact with the system
c) It allows multiple tasks to be executed simultaneously
d) It is faster than command-line interfaces

Answer
b) It provides a more user-friendly way to interact with the system

Which of the following best describes an operating system’s role in resource allocation?
a) Ensuring that only one user has access to the system at a time
b) Allocating physical resources like CPU, memory, and storage to processes
c) Managing the network connections for remote users
d) Allowing the user to interact with hardware devices

Answer
b) Allocating physical resources like CPU, memory, and storage to processes

Which of the following is the primary responsibility of an operating system’s file management system?
a) Managing network connections
b) Executing programs
c) Organizing, storing, and retrieving files
d) Allocating system memory

Answer
c) Organizing, storing, and retrieving files

Which of the following best describes an operating system’s role in security?
a) Preventing unauthorized access to system resources
b) Allocating resources to network users
c) Managing file systems
d) Monitoring hardware performance

Answer
a) Preventing unauthorized access to system resources

What is an example of a command-line interface used in an operating system?
a) Windows Explorer
b) macOS Finder
c) Linux Terminal
d) Windows Taskbar

Answer
c) Linux Terminal

Which of the following is an example of an operating system used for managing servers?
a) Windows XP
b) Windows Server
c) macOS
d) iOS

Answer
b) Windows Server

Which of the following operating systems is commonly used in embedded systems such as appliances, cars, and medical devices?
a) Android
b) RTOS
c) Windows Server
d) Linux

Answer
b) RTOS

What does “multitasking” mean in the context of an operating system?
a) Running one task at a time
b) Managing multiple applications simultaneously
c) Scheduling network connections
d) Performing tasks in sequence

Answer
b) Managing multiple applications simultaneously

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