BSc CS Sem 5 BSc CS Semester 5 (2014 2015) 2015 Operating System Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 Attempt the follo 16 marks
   • (B) t Approach and Kernel based Approach,
   • (C) Systems and its advantages,
   • (D) List out the File and Device Management
   • (E) What is POR? the information associated with a PCB,
   • (F) the on process,
   • (B) Whit the Multithreading Models
   • (C) Ex plain with the help of a Queuing diagram
   • (D) and Operations performed on it? What is a Binary
   • (E) see ion problem? Describe the requirements to the solution of crit cal section
   • (F) se of processes, with the length of CPU - burst time Illustrate the execution of the processes using Priority (preemptive) scheduling Draw Also daldulate the average waiting time and average turn around time for the
2. Q3 Attempt the following :- (any THREE)
   • (A) uss the solution to Dining philosopher’s problem using monitors
   • (B) Whatisa deadlock? Discuss the characteristic features of a Deadlock
   • (C) Disgusy Segmentation as a memory scheme
   • (D) Discuss the of Recovery from dzadlock
   • (E) Explain with diagram the steps in a page fault
   • (F) F or the following page reference string, calculate number of page faults using page with frame size = 3 and Reference 4, Attempt thé !- (any THREE)
   • (A) What isa file? the Attributes of the files. 15
   • (B) the Directory and Two level Directory Structure
   • (C) Discuss Access He has 300 cylinders, numbered from 0 to 299, The ing request at cylinder 110, The pending request AQ, 240, 180 (Assume head movement is in direction P model diagram and its states, Explain the data needed for it
   • (19) the Techniques of the disk

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