Computer Knowledge
Operating Systems
998 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
B
Correct answer
Explanation
Java 1.5 (J2SE 5.0) was codenamed 'Tiger' and was released in 2004. It introduced significant features like generics, enhanced for-loop, autoboxing, annotations, and enums. Other notable Java codenames include Mustang (1.6), Dolphin (1.7), and various animal/nature names for later versions.
B
Correct answer
Explanation
Java 1.5 (also known as Java 5) was codenamed 'Tiger' during development. Sun Microsystems used animal codenames for major Java releases: 1.3 was 'Kestrel', 1.4 was 'Merlin', 1.5 was 'Tiger', and 1.6 was 'Mustang'. This naming convention helps developers and administrators refer to specific versions during discussion and planning.
B
Correct answer
Explanation
Java 1.5 (J2SE 5.0) was codenamed 'Tiger' and released in 2004. It introduced major features like generics, enhanced for loop, autoboxing/unboxing, enums, and static imports. Other versions had different codenames (1.4 was 'Merlin', 1.6 was 'Mustang').
B
Correct answer
Explanation
Java version 1.5, also known as Java 5.0, was codenamed 'Tiger'. It introduced significant language features like generics, annotations, and the enhanced for-loop. Version 1.4 was 'Merlin', 1.6 was 'Mustang', and Java 2 was a branding name for versions 1.2 through 1.4.
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AVG
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Panda
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Symantec
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Xargon
D
Correct answer
Explanation
Xargon is not a real antivirus company. AVG (A) is a well-known antivirus brand now part of Avast. Panda (B) is Panda Security, a legitimate Spanish antivirus company. Symantec (C) is the corporate name behind Norton Antivirus. Xargon appears to be a fictitious name created for this question.
D
Correct answer
Explanation
GNOME is one of the most popular GUI desktop environments for Linux systems. LUI (A) is not a standard Linux GUI. GNU (B) is the project and free software movement, not a GUI. GPL (C) is the General Public License, a software license. GNOME provides the complete desktop interface with panels, windows, and applications.
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Longhorn
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Extreme Programming
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Windows 2007
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Beta
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Oracle JDeveloper
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Apple Macintosh
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Microsoft Windows 7x
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Linux
D
Correct answer
Explanation
Tux is the official mascot of Linux, created by Larry Ewing in 1996. The penguin character represents the Linux kernel and was chosen because penguins live in Antarctica, making them a truly universal symbol not tied to any specific company or country. Linux is the open-source operating system kernel.
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IBM servers
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Windows XP
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EMC
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macromedia
B
Correct answer
Explanation
'Do More with Less' was Microsoft's marketing tagline for Windows XP, released in 2001, highlighting the operating system's efficiency and enhanced features. IBM servers, EMC (storage), and Macromedia (multimedia software) are not associated with this slogan.
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IBM servers
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Windows XP
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EMC
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macromedia
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Linux
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Tux
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Toto
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None of the above
B
Correct answer
Explanation
Tux is the official mascot of the Linux kernel, created by Larry Ewing in 1996. The penguin was chosen as Linux's mascot after Linus Torvalds mentioned being bitten by a penguin. 'Tux' is short for 'tuxedo,' referring to the penguin's black-and-white plumage resembling a formal suit.
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MS-DOS
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PC Windows
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None of the above
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both (a) & (b)
D
Correct answer
Explanation
Microsoft developed both MS-DOS (Microsoft Disk Operating System) in 1981, which became the operating system for the original IBM PC, and Windows in 1985, which began as a graphical operating environment before evolving into a full operating system. Both products were foundational to Microsoft's dominance in personal computing.
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MS-DOS
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PC Windows
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None of the above
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both (a) & (b)
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A brand of Coffee
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A technology used in the air interface of mobile phones
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The next Windows version
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The name of a Software
B
Correct answer
Explanation
BREW (Binary Runtime Environment for Wireless) is a Qualcomm-developed application development platform and technology used in CDMA mobile phones. It provides tools for developers to create applications that run on BREW-enabled devices. It is not a coffee brand, Windows version, or single software product.
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A brand of Coffee
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A technology used in the air interface of mobile phones
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The next Windows version
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The name of a Software
B
Correct answer
Explanation
BREW (Binary Runtime Environment for Wireless) is Qualcomm's application development platform for mobile phones, originally used in CDMA devices. It provides a runtime environment for mobile applications and was widely used in early smartphones. It's not a coffee brand, Windows version name, or standalone software name.