Operating Systems MCQs
Practice Operating System MCQs covering Windows, Linux, Android, booting, multitasking and multiprocessing concepts with answers and explanations.
Question #41
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Which of the following options represents a core feature of asymmetric multiprocessing (AMP)?
Correct Answer: Option B
Explanation:
In Asymmetric Multiprocessing (AMP), there is a master-slave structure where a single master controller processor manages system resources and schedules tasks for subordinate processors.
In Asymmetric Multiprocessing (AMP), there is a master-slave structure where a single master controller processor manages system resources and schedules tasks for subordinate processors.
This question belongs to:
Computer
Operating Systems
Question #42
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Which Windows component provides a comprehensive view of active processes, performance metrics, and network utilization, allowing users to terminate frozen apps?
Correct Answer: Option A
Explanation:
Windows Task Manager provides real-time information about system performance, application memory footprints, and allows terminating running processes.
Windows Task Manager provides real-time information about system performance, application memory footprints, and allows terminating running processes.
This question belongs to:
Computer
Operating Systems
Question #43
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What does the term 'Spooling' stand for in the context of system operations?
Correct Answer: Option A
Explanation:
SPOOLING stands for Simultaneous Peripheral Operations On-Line. It is a technique used to buffer data intended for slow peripheral devices like printers.
SPOOLING stands for Simultaneous Peripheral Operations On-Line. It is a technique used to buffer data intended for slow peripheral devices like printers.
This question belongs to:
Computer
Operating Systems
Question #44
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In Linux, which command is used to display the contents of a text file directly onto the terminal screen?
Correct Answer: Option D
Explanation:
The 'cat' (concatenate) command is used to read and display file contents directly onto the standard output terminal screen.
The 'cat' (concatenate) command is used to read and display file contents directly onto the standard output terminal screen.
This question belongs to:
Computer
Operating Systems
Question #45
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Which of the following processes is the first user-space process started by the Linux kernel during system initialization, typically having a Process ID (PID) of 1?
Correct Answer: Option C
Explanation:
The 'init' process (modern distributions use systemd) is the very first process launched by the Linux kernel during boot, and it receives PID 1.
The 'init' process (modern distributions use systemd) is the very first process launched by the Linux kernel during boot, and it receives PID 1.
This question belongs to:
Computer
Operating Systems
Question #46
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What is the purpose of a 'System Call' in an operating system environment?
Correct Answer: Option C
Explanation:
System calls act as the fundamental interface between a running application program and the privileged actions performed by the operating system kernel.
System calls act as the fundamental interface between a running application program and the privileged actions performed by the operating system kernel.
This question belongs to:
Computer
Operating Systems
Question #47
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Which of the following application file formats is natively used to distribute and install apps on the Android operating system?
Correct Answer: Option D
Explanation:
Android packages use the '.apk' (Android Package Kit) file extension to bundle application code, resources, and assets for easy installation.
Android packages use the '.apk' (Android Package Kit) file extension to bundle application code, resources, and assets for easy installation.
This question belongs to:
Computer
Operating Systems
Question #48
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What does the 'GUI' acronym stand for in computer interface terminology?
Correct Answer: Option A
Explanation:
GUI stands for Graphical User Interface. It allows users to interact with electronic devices through visual icons and auditory indicators.
GUI stands for Graphical User Interface. It allows users to interact with electronic devices through visual icons and auditory indicators.
This question belongs to:
Computer
Operating Systems
Question #49
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Which process state defines a task that is currently waiting in line to be assigned to a CPU core by the operating system scheduler?
Correct Answer: Option D
Explanation:
A process is in the 'Ready' state when it is prepared for execution and is waiting to be allocated a time slice on a processor core.
A process is in the 'Ready' state when it is prepared for execution and is waiting to be allocated a time slice on a processor core.
This question belongs to:
Computer
Operating Systems
Question #50
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In Windows, what is the maximum file size limit supported natively by the older FAT32 file system?
Correct Answer: Option C
Explanation:
The FAT32 file system carries a strict architectural limitation where single individual files cannot exceed 4 GB in size.
The FAT32 file system carries a strict architectural limitation where single individual files cannot exceed 4 GB in size.
This question belongs to:
Computer
Operating Systems
