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B.Sc. (Information Technology) Sem III Operating System Oct 2025 Question Paper - Mumbai University | munotes

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Operating System Question Paper, Oct 2025.pdf
SEM III · 23 KB · 25 Oct 2026

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Questions asked in this paper

SECTION I - Q.1 (Attempt any TWO) 15 Marks

  1. Q1 What are system calls? Explain the role of system calls in reading and writing to a file.
  2. Q2 Compare many-to-one, one-to-one and many-to-many multithreading models with example.
  3. Q3 What are the steps involved in executing counter-- at the machine level?
  4. Q4 Differentiate between time sharing, real time and batch O.S. with example.

SECTION II - Q.2 (Attempt any TWO) 15 Marks

  1. Q5 Compare FIFO, LRU and OPT page replacement algorithms.
  2. Q6 Briefly explain the conditions for deadlocks.
  3. Q7 List and explain any five file attributes maintained by the Operating System.
  4. Q8 Define the term deadlock recovery.

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