Using a general register computer with three address instructions. b. Using a general regi, Essays (high school) of Operating Systems

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Roll / Exam Supervisor’s initial No. with date Time: 3 Hours Nirma University Institute of Technology Supplementary Examination (SPE), February - 2024 B. Tech. in Computer Science and Engineering, Semester-IV 2CS403-0 Operating Systems Max. Marks : 100 Instructions: —_1. Attempt all questions. 2. Figures to the right indicate full marks, 3. Use section-wise separate answer book. 4. Draw neat sketches wherever necessary. Section -1 Q1. Do as directed. [25] A. Explain how time-sharing operating systems work. [5] CO1,BL1 B. Differentiate between seek time and rotational latency. (5] CO1,BL2 Cc, Define the terms Waiting time and Turnaround time in reference to [5] ~ scheduling algorithms. col BLI Explain in detail the concept of Multiprocessor Operating Systems [5] D , Or COLBLI Explain any two of process termination in detail. (5] E. co1,BL2. What do you mean by CPU scheduling? Discuss CPU/IO burst cycle. {5} Q-2. Answer the following. {25] A. Differentiate between process and thread. [5] CO2,BL3 B. Explain virtual memory in detail. [5] CO2,BL2 So BL Explain how the processor performs switching between processes. [5] D. : a : », . . CO2,BL3 Discuss Dining philosopher’s problem in detail. (5} E. co2,pL3 -Piscuss the procedure for page fault in demand paging. {5] Or E. Explain 4 necessary conditions for deadlock. [5] CO2,BL3 1/2