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InsemOct 20222019 patternTE IT

Operating System (OS) SPPU Insem Question Paper Oct 2022

All 4 questions from this SPPU insem paper, as printed. Read them here or open the PDF.

Open the PDFMost repeated OS questions
Subject code
314442
Pattern
2019 pattern
Exam
Insem
Session
Oct 2022
Max. marks
30
Time
1 Hour
Semester
I

Printed for: T.E. (Information Technology)

Instructions to the candidates

  1. Attempt Q1 or Q2, Q3 or Q4.
  2. Assume suitable data if necessary.
  3. Neat diagrams must be drawn wherever necessary.
  4. Figures to the right side indicate full marks.

Questions

  1. Q1

    1. a)

      Explain the role operating system as resource manager.

      [5]
    2. b)

      Give the significance of following shell commands with example: is, uniq, tail, touch grep.

      [5]
    3. c)

      Describe the differences between a monolithic kernel and a microkernel.

      [5]

  2. Q2

    1. a)

      What is an operating system? List and explain services provided by the operating system.

      [5]
    2. b)

      Write a shell script to check if the given string is palindrome or not.

      [5]
    3. c)

      Explain about the concept of virtual machines and its advantages.

      [5]

  3. Q3

    1. a)

      Consider the Set of Processes with Arrival Time, Burst Time & Priority Process Arrival Time Burst Time P1 7 5 P2 3 4 P3 10 3 P4 0 8 P5 12 6 2 TE/Insem/558 Find Average Turnaround Time & Average Waiting Time for SJF (Preemptive)& Round Robin (Time Quantum=2) scheduling algorithms with the help of Gantt chart

      [8]
    2. b)

      With the help of neat, explain in detail process state transition diagram with two suspend states.

      [7]

  4. Q4

    1. a)

      Discuss with the help of neat diagram different thread models.

      [5]
    2. b)

      List and explain the CPU scheduling criteria.

      [5]
    3. c)

      Explain with the help of neat diagram the process of context switching, also explain how program counter plays its role in context switching. 

      [5]