533. The ability of an operating system to control the activities of
multiple program at the same time is called
534. The OS used to operate the mobile phone is a
535. Unix Operating System is an
536. ....is used in operating system to separate mechanism from
policy
537. ______ is used in operating system to separate mechanism from
policy
538. Essential files of MS DOS are
539. Which Operating System doesn't support long file names?
540. We need system files to run
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