Which of these is not an operating system?
Answer
Correct Answer : b ) Scala
Explanation :An operating system is a system software that allows the computer to work properly. It acts as an interface between hardware and the user. It manages both hardware and software of the computer.
Some of the popular operating systems are Apple macOS, Microsoft Windows, Android, LINUX, UNIX, Apple iOS, Blackberry, etc.
Hence, option (B) is correct.
This question was asked in RRB NTPC CBT 2 exam held on 18 January 2017 Shift 3.
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Word Of The Day
Shell
Noun: A hard rigid usually large covering of an animal.; The outside part of a fruit or seed.; Something like an external structure that resembles a shell.; A casing without substance.; The hard exterior of an egg.; A hard enclosing cover.
Verb: To take out of the shell.; To fall out of the shell.; To cast the external covering.; To gather shells from a beach.
"My mother collected shells at the beach."
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