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Posted Date: 12 Oct 2020      Posted By:: Shouvik Maj    Member Level: Silver  Points: 3 (₹ 2)

2019 B.Tech. Information Technology B.Tech Jadavpur University Information Technology - Operating Systems (3rd Year First Semester) Question paper



Course: B.Tech. Information Technology   University/board: Jadavpur University

Are you looking for the old question papers of Jadavpur University Information Technology - Operating Systems? Here is the previous year question paper from Jadavpur University. This is the original question paper from the IT Department for Third year first semester exam conducted by Jadavpur University in year 2019. Feel free to download the question paper from here and use it to prepare for your upcoming exams.



{Scroll Below to get the PDF Attachment file of the Original Question Paper}

Exam Name- B.Tech Information Technology Engineering Exam
3rd Year- 1st Semester

Subject- Operating Systems

Total Time- Three Hours
Maximum Marks- 100

Syllabus

Introduction: Operating system functions, evaluation of O.S., Different types of O.S.:
batch, multi-programmed, time-sharing, real-time, distributed, parallel.
System Structure: Different types of protections, operating system structure (simple,
layered, virtual machine), O/S services, system calls.
Process Management: Concept of processes, process scheduling, operations on
processes, co-operating processes, inter-process communication. Threads: overview,
benefits of threads, user and kernel threads.
CPU scheduling: scheduling criteria, preemptive & non-preemptive scheduling,
scheduling algorithms (FCFS, SJF, RR, and priority), and algorithm evaluation, multiprocessor scheduling.
Process Synchronization: background, critical section problem, critical region,
synchronization hardware, classical problems of synchronization, semaphores, examples
(producer-consumer, readers-writer, dining philosophers, etc.).
Deadlock: Deadlocks system model, deadlock characterization, methods for handling
deadlocks, deadlock prevention, deadlock avoidance, deadlock detection, recovery from
deadlock.
Storage Management: Background, logical vs. physical address space, swapping,
contiguous memory allocation, paging, segmentation, segmentation with paging. Virtual
Memory: background, paging and segmentation, demand paging, performance, page
replacement, page replacement algorithms (FCFS, LRU), allocation of frames, thrashing.
File Systems: file concept, access methods, directory structure, file system structure,
allocation methods (contiguous, linked, indexed), free-space management (bit vector,
linked list, grouping), directory implementation (linear list, hash table), efficiency &
performance.
I/O Management: Blocking and non-blocking I/O, kernel I/O subsystem (scheduling,
buffering, caching, spooling and device reservation, error handling), performance. Disk
Management: disk structure, disk scheduling (FCFS, SSTF, SCAN, C-SCAN), disk
reliability, disk formatting, boot block, bad blocks.



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