Computer Knowledge
Operating Systems
1,344 Questions
Test your computer knowledge with these questions on operating systems. The content covers various platforms including Unix, Linux, Windows, Android, and Macintosh. These questions are commonly asked in the computer knowledge sections of banking and government exams.
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Operating Systems Questions
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It is the part of Application virtualization.
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This virtualization provides the compatibility, portability and manageability of the software technologies.
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In this virtualization, the application's code, data and the setting are processed before the finalization of the application.
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This virtualization is also called 'Virtual Desktop Infrastructure'.
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Both (1) and (4)
C
Correct answer
Explanation
This is false about Desktop virtualization. It is called 'Application streaming'.
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In this virtualization, only some of the target environment are simulated.
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In this virtualization, a complete simulation of the actual hardware that allows the softwares to run on the modified operating system.
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In this virtualization, the hardware environment is not simulated.
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This virtualization is based on the shared environment.
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Both (2) and (3)
C
Correct answer
Explanation
This is true about 'Para virtualization' as the user's specific programs can be executed on their separate operating systems.
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It is used to host user desktop environments on remote servers.
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It is mostly used by the IT administrators.
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It works on client server environment.
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Citrix XenApp is an example of VDI.
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Both (3) and (4)
E
Correct answer
Explanation
These are incorrect statements.
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This virtualization mainly used in distributed environment.
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This virtualization need less hardware assistance as compared to other virtualization.
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This virtualization is called server virtualization.
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This virtualization does not provide storage for the file systems.
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Both (3) and (4)
D
Correct answer
Explanation
This is false as some operating systems provide copy-on write schemes to the file systems.
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In this virtualization, the artefact are encapsulated.
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In this virtualization, the artefact are abstracted.
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Application streaming technology follows this virtualization.
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All of the above
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Both (1) and (3)
E
Correct answer
Explanation
These are the correct statements about Application Virtualization.
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It enables users to set up multiple virtual machines (VMs) and use them simultaneously along with the actual machine.
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It allows one machine to run multiple operating systems simultaneously.
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It is used to save the state of a virtual machine in one point of time.
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VMware Workstation is also called hypervisor.
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All of the above
E
Correct answer
Explanation
All are the correct statements.
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It runs multiple operating systems on a single host computer.
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VMware Workstation works like a hypervisor.
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Native hypervisors runs directly on the host's hardware.
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Hosted hypervisors runs within a traditional operating system.
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None of the above
E
Correct answer
Explanation
All are the correct statements.
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UNIX
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LINUX
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Microsoft Window
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None of these
B
Correct answer
Explanation
Linux is an open-source operating system, meaning its source code is freely available for anyone to use, modify, and distribute. UNIX is proprietary, and Microsoft Windows is closed-source commercial software.
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MS-DOS
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MS-WORD
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LINUX
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MS-Windows
B
Correct answer
Explanation
MS-WORD is a word processing application program, not an operating system. MS-DOS, Linux, and MS-Windows are all operating systems that manage computer hardware and software resources.
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3v operation
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3p operation
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5V and 2p operations
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13p and 10v operations
D
Correct answer
Explanation
Semaphore variable is accessed by two atomic operations p and v.
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Monolithic
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Micro-kernel
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Exo-kernel
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None of these
C
Correct answer
Explanation
This type of architecture is present in ‘’research mode’’.
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Software to play games
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Operating system
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Anti Virus
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Application Software
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None of these
B
Correct answer
Explanation
Android is an operating system used by Samsung. An operating system (OS) is a software program that manages the hardware and software resources of a computer. A key component of system software, the OS performs basic tasks, such as controlling and allocating memory, prioritizing the processing of instructions, controlling input and output devices, facilitating networking and managing files.
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86-DOS
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80-DOS
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CP/M-80
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None of the above
A
Correct answer
Explanation
MS-DOS was based on 86-DOS (also known as QDOS), which Microsoft purchased from Seattle Computer Products in 1981. CP/M-80 was an earlier operating system that inspired its design.
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IBMIO.SYS
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IBMBIO.COM
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ROMBIOS
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None of the above
B
Correct answer
Explanation
In early IBM versions of DOS (PC DOS), the file IO.SYS was named IBMBIO.COM. These were the basic input/output system files that handled hardware interactions during boot.
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IBMMSDOS.SYS
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IBMDOS.COM
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DOS.COM
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None of the above
B
Correct answer
Explanation
In early IBM versions of DOS, the file MSDOS.SYS was named IBMDOS.COM. This file contained the DOS kernel and system services.