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.
Unix emulatorsLinux distributionsAndroid software stackMacintosh operating systemsWindows OS versionsSymbian OS history
Operating Systems Questions
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Industrial control system
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Payroll system
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LINUX system
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DOS system
A
Correct answer
Explanation
Real-time OS is used for real time systems when rigid time requirements have been placed on the operation of a processor or the flow of data.
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keyboard
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sound card
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floppy disk controller
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COM 1 port
A
Correct answer
Explanation
IRQ 1 enables keyboard to communicate with the microprocessor. If we assign the same IRQ to two devices, this will result in an IRQ conflict and the system or the device may malfunction.
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NXT
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Vista
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Generation
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Longhorn
D
Correct answer
Explanation
Windows Vista was developed under the codename Longhorn before its official release.
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Clock
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Photo frame
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Weather
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CPU metre
D
Correct answer
Explanation
The original Windows Vista sidebar included gadgets like the Clock, Photo Frame, and Weather, but the CPU meter was not a default gadget in the initial release.
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Quick outlook
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Windows mail
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Mail explorer
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Outlook express 2007
B
Correct answer
Explanation
Windows Mail was the email client introduced in Windows Vista to replace Outlook Express, which was the standard in Windows XP.
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It provides the application's interoperability.
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Dalvik VM is used for execution environment.
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It used Android API libraries for execution.
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It turns the Android source code into executable Android applications.
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Options 1 and 2.
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DOS
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JAVA
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Both (1) and (2)
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Ticket reservation system
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None of these
D
Correct answer
Explanation
A ticket reservation system is a software application designed to manage bookings. DOS is an operating system, and Java is a programming language.
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DOS
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Windows
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Windows-XP
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Macintosh
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None of these
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Real time
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Distributed
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Batch
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All of the above
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None of these
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Multi programming
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Real time programming
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Time sharing
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Batch programming
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None of these
B
Correct answer
Explanation
Real-time programming is required for systems like airline reservations where data must be processed immediately to ensure accuracy and prevent double-booking.
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a new model of car launched by Toyota
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a new version of personal computer operating system launched by Microsoft
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a range of innerwear of Reebok
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a new star discovered by NASA
B
Correct answer
Explanation
Windows Vista was a major release of the Microsoft Windows operating system, released in 2007.
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A new model of car launched by Toyota
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A new version of personal computer operating system launched by Microsoft
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A range of innerwear of Reebok
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A new star discovered by NASA
B
Correct answer
Explanation
Windows Vista was a major version of the Microsoft Windows operating system, released in 2007 as the successor to Windows XP.
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The Korn shell
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The C++ shell
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The C shell
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The Bourne shell
B
Correct answer
Explanation
The Korn, C, and Bourne shells are standard command-line interfaces for UNIX. C++ is a programming language, not a shell.
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KDE
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GNOME
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XFCE desktop
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The X window system
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Xorg
B
Correct answer
Explanation
This desktop serves as a default desktop environment for Red Hat Enterprise Linux that is based on the GTK + 2 graphical toolkit.
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Windows 2000
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Linux
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Unix
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MS Office
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Both (3) and (4)