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All questions of Operating systems for Grade 9 Exam
Which memory management technique swaps out entire processes from memory to disk?- a)Paging
- b)Segmentation
- c)Virtual memory
- d)Thrashing
Correct answer is option 'A'. Can you explain this answer?
a)
Paging
b)
Segmentation
c)
Virtual memory
d)
Thrashing
|
C K Academy answered |
Paging swaps entire processes between main memory and secondary storage, managing memory efficiently by dividing it into fixed-size pages.
Which operating system is characterized by its rolling release model and focus on simplicity and transparency?- a)Ubuntu
- b)Arch Linux
- c)CentOS
- d)Linux Mint
Correct answer is option 'B'. Can you explain this answer?
a)
Ubuntu
b)
Arch Linux
c)
CentOS
d)
Linux Mint
|
EduRev Class 9 answered |
Arch Linux is a lightweight and flexible Linux distribution known for its rolling release model, allowing users to continuously receive the latest updates.
Which operating system is designed for use in scientific computing and supercomputing environments?- a)Windows 10
- b)macOS
- c)CentOS
- d)Red Hat Enterprise Linux
Correct answer is option 'D'. Can you explain this answer?
a)
Windows 10
b)
macOS
c)
CentOS
d)
Red Hat Enterprise Linux
|
|
EduRev Class 9 answered |
Red Hat Enterprise Linux (RHEL) is an operating system designed for scientific computing and supercomputing environments, offering enterprise-grade features and support.
Which operating system is developed by Apple Inc. and runs exclusively on Apple hardware?- a)Ubuntu
- b)Debian
- c)macOS
- d)Fedora
Correct answer is option 'C'. Can you explain this answer?
a)
Ubuntu
b)
Debian
c)
macOS
d)
Fedora
|
Imk Pathshala answered |
MacOS is the operating system developed by Apple Inc. for its Macintosh line of computers, featuring a graphical user interface and Unix-based foundation.
Which operating system is commonly used for smartphones and tablets?- a)Android
- b)Chrome OS
- c)Windows 10
- d)FreeBSD
Correct answer is option 'A'. Can you explain this answer?
a)
Android
b)
Chrome OS
c)
Windows 10
d)
FreeBSD
|
|
EduRev Class 9 answered |
Android is a mobile operating system based on the Linux kernel, widely used for smartphones and tablets, developed by Google.
What is the characteristic feature of a real-time operating system (RTOS)?- a)It supports time-sharing of resources
- b)It guarantees timely response to events
- c)It is designed for personal computers
- d)It optimizes batch processing
Correct answer is option 'B'. Can you explain this answer?
a)
It supports time-sharing of resources
b)
It guarantees timely response to events
c)
It is designed for personal computers
d)
It optimizes batch processing
|
Let's Tute answered |
A real-time operating system guarantees timely response to events and processes, critical for applications with strict timing requirements.
What is the purpose of a file system in an operating system?- a)To format hard drives
- b)To manage files and directories
- c)To install software applications
- d)To configure network settings
Correct answer is option 'B'. Can you explain this answer?
a)
To format hard drives
b)
To manage files and directories
c)
To install software applications
d)
To configure network settings
|
Trisha Vashisht answered |
A file system organizes and manages files and directories on storage devices, ensuring efficient data storage and retrieval.
Which operating system is known for its emphasis on user-friendliness and ease of use?- a)CentOS
- b)Linux Mint
- c)Debian
- d)Fedora
Correct answer is option 'B'. Can you explain this answer?
a)
CentOS
b)
Linux Mint
c)
Debian
d)
Fedora
|
|
EduRev Class 9 answered |
Linux Mint is a popular Linux distribution known for its user-friendly interface, based on Ubuntu and Debian, and offering a variety of desktop environments.
Which type of operating system allows multiple users to access a computer system simultaneously?- a)Real-time OS
- b)Single-user OS
- c)Multi-user OS
- d)Embedded OS
Correct answer is option 'C'. Can you explain this answer?
a)
Real-time OS
b)
Single-user OS
c)
Multi-user OS
d)
Embedded OS
|
|
EduRev Class 9 answered |
A multi-user operating system allows multiple users to access and interact with the system concurrently, often over a network.
Which operating system architecture utilizes a master-slave relationship between processors?- a)Distributed OS
- b)Batch OS
- c)Multiprocessor OS
- d)Real-time OS
Correct answer is option 'C'. Can you explain this answer?
a)
Distributed OS
b)
Batch OS
c)
Multiprocessor OS
d)
Real-time OS
|
|
Trisha Vashisht answered |
A multiprocessor operating system uses multiple processors in a master-slave relationship to execute tasks concurrently, improving system performance.
Which operating system is known for its package management using APT (Advanced Package Tool)?- a)Fedora
- b)Arch Linux
- c)Ubuntu
- d)Gentoo
Correct answer is option 'C'. Can you explain this answer?
a)
Fedora
b)
Arch Linux
c)
Ubuntu
d)
Gentoo
|
|
EduRev Class 9 answered |
Ubuntu is a Linux distribution known for its use of the APT package management system, providing easy installation and management of software packages.
Which component of an operating system provides a user interface to interact with the system?- a)Kernel
- b)Shell
- c)Driver
- d)Compiler
Correct answer is option 'B'. Can you explain this answer?
a)
Kernel
b)
Shell
c)
Driver
d)
Compiler
|
|
Imk Pathshala answered |
The shell provides a command-line or graphical user interface (GUI) for users to interact with the operating system and execute commands.
Which operating system is known for its use of the RPM package management system?- a)Debian
- b)Ubuntu
- c)Fedora
- d)Arch Linux
Correct answer is option 'C'. Can you explain this answer?
a)
Debian
b)
Ubuntu
c)
Fedora
d)
Arch Linux
|
|
EduRev Class 9 answered |
Fedora is a Linux distribution known for using the RPM package management system, providing easy installation and updates of software packages.
Which scheduling algorithm allocates CPU time to processes based on their priority levels?- a)Round-robin scheduling
- b)Shortest Job Next (SJN)
- c)Priority scheduling
- d)First Come First Serve (FCFS)
Correct answer is option 'C'. Can you explain this answer?
a)
Round-robin scheduling
b)
Shortest Job Next (SJN)
c)
Priority scheduling
d)
First Come First Serve (FCFS)
|
|
EduRev Class 9 answered |
Priority scheduling assigns CPU time to processes based on their priority levels, ensuring higher priority tasks are executed first.
Which operating system is primarily used for embedded systems and Internet of Things (IoT) devices?- a)Windows Server
- b)macOS
- c)Android Things
- d)Ubuntu Desktop
Correct answer is option 'C'. Can you explain this answer?
a)
Windows Server
b)
macOS
c)
Android Things
d)
Ubuntu Desktop
|
|
EduRev Class 9 answered |
Android Things is an embedded operating system developed by Google for IoT devices, providing support for connected devices and hardware.
Which operating system is known for its use of the BSD kernel?- a)CentOS
- b)Fedora
- c)FreeBSD
- d)Ubuntu
Correct answer is option 'C'. Can you explain this answer?
a)
CentOS
b)
Fedora
c)
FreeBSD
d)
Ubuntu
|
|
Imk Pathshala answered |
FreeBSD is an operating system known for using the BSD kernel, offering advanced networking, security, and compatibility features.
What is the primary function of an operating system?- a)To manage hardware resources
- b)To create software applications
- c)To design user interfaces
- d)To process mathematical calculations
Correct answer is option 'A'. Can you explain this answer?
a)
To manage hardware resources
b)
To create software applications
c)
To design user interfaces
d)
To process mathematical calculations
|
|
EduRev Class 9 answered |
An operating system manages computer hardware resources such as memory, CPU, and peripherals, ensuring efficient utilization by software applications.
Which operating system type is designed to operate on embedded devices with limited resources?- a)Mobile OS
- b)Real-time OS
- c)Embedded OS
- d)Network OS
Correct answer is option 'C'. Can you explain this answer?
a)
Mobile OS
b)
Real-time OS
c)
Embedded OS
d)
Network OS
|
|
C K Academy answered |
Embedded operating systems are tailored for embedded devices, optimizing resource usage and supporting specific hardware functionalities.
What is the role of device drivers in an operating system?- a)To manage input devices
- b)To enhance system security
- c)To optimize CPU performance
- d)To facilitate communication with hardware devices
Correct answer is option 'D'. Can you explain this answer?
a)
To manage input devices
b)
To enhance system security
c)
To optimize CPU performance
d)
To facilitate communication with hardware devices
|
|
Trisha Vashisht answered |
Device drivers enable the operating system to communicate with hardware devices, ensuring proper functionality and compatibility.
Which operating system is designed primarily for servers and high-performance computing?- a)Windows
- b)macOS
- c)Linux Mint
- d)CentOS
Correct answer is option 'D'. Can you explain this answer?
a)
Windows
b)
macOS
c)
Linux Mint
d)
CentOS
|
|
Imk Pathshala answered |
CentOS is a Linux distribution designed for servers and high-performance computing, known for its stability and long-term support.
Chapter doubts & questions for Operating systems - Computer Science for Grade 9 2025 is part of Grade 9 exam preparation. The chapters have been prepared according to the Grade 9 exam syllabus. The Chapter doubts & questions, notes, tests & MCQs are made for Grade 9 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests here.
Chapter doubts & questions of Operating systems - Computer Science for Grade 9 in English & Hindi are available as part of Grade 9 exam.
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Computer Science for Grade 9
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