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CS Professional · Artificial Intelligence, Data Analytics and Cyber Security - Laws and Practice · Computer Hardware and Software

A firm's server allows several users to run programs seemingly at the same time by letting the CPU switch rapidly between processes, giving each a small slice of processor time. Which operating system feature is being described?

The feature is time-sharing multitasking. The operating system divides CPU time into small slices and switches quickly among processes, so many users appear to work at once. Batch processing runs queued jobs without user interaction, while spooling and paging deal with device queues and memory extension respectively.

  1. ATime-sharing multitaskingCorrect
  2. BBatch processing
  3. CSpooling of print jobs
  4. DVirtual memory paging

Explanation

Time-sharing multitasking allocates short CPU time slices to each process in turn, so users feel the work is simultaneous. Batch processing runs jobs in groups without interaction. Spooling queues output for devices, and paging extends memory using disk space.

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