Computer practice question for SSC. Review the correct answer and explanation, then continue with related practice below.
Which of the following is NOT an anti-virus software?
Correct Answerसही उत्तर
B. LinuxB. लिनक्स
Explanationव्याख्या
The correct answer is Linux.
According to the source, Linux is not anti-virus software.
The book describes Linux as 'open source operating software'.
It further states that the remaining options — Avast, Norton and Kaspersky — are anti-virus software for Microsoft Windows, macOS, Android and iOS.
Therefore the source-supported classification is: Linux — not antivirus — described by the source as open-source operating software; Avast — antivirus; Norton — antivirus; Kaspersky — antivirus.
The question uses the negative word 'NOT', so students should avoid selecting one of the recognised antivirus names.
Linux is the exception in the option set.
The source terminology 'open source operating software' has been preserved conceptually rather than silently replacing the book's wording with a broader technical explanation.
Likewise, the source groups Avast, Norton and Kaspersky as antivirus software across Microsoft Windows, macOS, Android and iOS.
The book does not discuss individual antivirus features, malware-detection methods, subscription models or Linux distributions.
Therefore those details have not been added.
This question can be revised with the earlier Ubuntu question: Ubuntu is described by the source as an open-source operating system based on Debian GNU
Linux, while Linux here is distinguished from antivirus software.
Quick revision: NOT Antivirus = Linux; Antivirus options in this PYQ = Avast + Norton + Kaspersky.
Therefore option (b), Linux, is correct.
सही उत्तर Linux है। स्रोत के अनुसार Linux anti-virus software नहीं है। Book Linux को 'open source operating software' के रूप में describe करती है। Source आगे बताती है कि बाकी options — Avast, Norton और Kaspersky — Microsoft Windows, macOS, Android और iOS के लिए antivirus software हैं। इसलिए source-supported classification है: Linux — Not Antivirus — Source के अनुसार Open-source Operating Software; Avast — Antivirus; Norton — Antivirus; Kaspersky — Antivirus। Question में 'NOT' शब्द important है, इसलिए recognised antivirus name select नहीं करना चाहिए। Options में Linux exception है। Source terminology को preserve किया गया है और उसे silently broader technical definition से replace नहीं किया गया है। Book antivirus features, malware-detection methods, subscription models या Linux distributions की details नहीं देती। इसलिए outside technical information add नहीं की गई है। इसे earlier Ubuntu question के साथ revise करना useful है: Source Ubuntu को Debian GNU/Linux based open-source operating system बताती है, जबकि यहां Linux को antivirus software से अलग किया गया है। Quick revision: NOT Antivirus = Linux; इस PYQ में Antivirus = Avast + Norton + Kaspersky। इसलिए विकल्प (b), Linux, सही उत्तर है।
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