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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Test and set
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Set and test
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Both 1 and 2
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None of these
A
Correct answer
Explanation
Test-and-Set is a fundamental hardware instruction that atomically reads and modifies a memory location, making it ideal for implementing mutual exclusion primitives. Set-and-Test is not a standard hardware instruction.
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Mac OS
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Unix
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Linux
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Windows
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Solaris
B
Correct answer
Explanation
Unix is an operating system which is capable of handling activities from multiple users at the same time and originated around 1969 at AT&T Bell Labs.
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Unix
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Windows
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Solaris
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Linux
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Mac OS
C
Correct answer
Explanation
Solaris is the OS developed by Sun Microsystems. Solaris 11 complies with the single UNIX specification.
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Microsoft Windows
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iOS
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Linux
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Unix
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Macintosh
B
Correct answer
Explanation
It is a mobile operating system for apple mobiles.
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It opens the 'Find Files' or 'Folders' dialog box.
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It opens the 'Find Computer' dialog box.
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It opens the 'System Properties' window.
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It restores all current windows.
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It cycles through the 'Taskbar' applications.
B
Correct answer
Explanation
Windows-CTRL-F can be used for this.
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Alt + Tab
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Alt + Shift + Tab
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Ctrl + Esc
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Ctrl + F5
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Ctrl + W or Ctrl + F4
C
Correct answer
Explanation
This is used to display the windows start menu.
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Prtscr
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Alt + Print Screen
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Ctrl + F10
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Ctrl + Shift + F6
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Ctrl + F6
B
Correct answer
Explanation
This key combination is used to copy a picture of the selected window to the clipboard.
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Down Arrow or Up Arrow
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F10 or Alt
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Ctrl + Tab or Ctrl + Shift + Tab
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Alt + Spacebar
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Shift + F10
D
Correct answer
Explanation
This key combination is used to display the Control menu for the Excel window.
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Real time system
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Interactive computer
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Batch processing system
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Time sharing system
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None of these
B
Correct answer
Explanation
Interactive computer systems allow user to enter data or commands.
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Core OS
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Distributed OS
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Multitasking core OS
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All of the above
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ATM services are handled by a networking software and not by an operating system
B
Correct answer
Explanation
ATM OS is a distributed operating system.
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Operating system
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Device drivers
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Microsoft word
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Compilers
C
Correct answer
Explanation
Microsoft word is an application software developed by Microsoft. So, it does not fall under the category of systems program.
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MS-DOS
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Window 95/98
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UNIX
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Adobe
D
Correct answer
Explanation
MS-DOS, Windows, and UNIX are all operating systems that manage computer resources. Adobe is a software company that produces application software like Photoshop, not an operating system.
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Windows Vista
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Mac OS X
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Linux
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Sun OS
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Virtual Box
E
Correct answer
Explanation
VirtualBox is a virtualization software or hypervisor used to run multiple operating systems, but it is not an OS itself. Windows, Mac OS X, Linux, and Sun OS are all actual operating systems.
C
Correct answer
Explanation
EMAS (Edinburgh Multi-Access System) was a pioneering operating system designed in the 1960s to support a large number of simultaneous interactive users on mainframe computers. MS-DOS and CP/M were primarily single-user systems.
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UNIX
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ETHERNET
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PC-DOS
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MS-DOS
B
Correct answer
Explanation
Ethernet was originally developed at Xerox PARC (Palo Alto Research Center) by Robert Metcalfe and others in the 1970s. It became the standard for local area networks (LANs) in office environments. UNIX and DOS are operating systems, not networking hardware standards.