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Previous Year Question (PYQs)
4
Which of the following group of statements are correct:
P. Mouse, Keyboard and Plotter are all input devices.
Q. Unix, Windows and Linux are all operating systems.
R. Register, Cache and Hard-disk are all memory modules.
S. Monitor, Printer and Scanner are all output devices.
Solution
Mouse, Keyboard → Input devices
Unix, Windows, Linux → Operating Systems
Register, Cache → Memory; Hard-disk → Storage
Monitor, Printer → Output; Scanner → Input
Hence, correct statements are $Q$ and $R$.
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