Operating System (B.Sc Computer Science)

Processes, CPU scheduling, synchronisation, deadlocks, memory management, file systems and Linux basics.

6 महीनेअवधि 5Chapters24टॉपिक

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01Unit 1: Introduction to Operating Systems 4 टॉपिक

Operating system के कार्य
Batch, multiprogramming, time-sharing, real-time and distributed OS
System calls and OS services
Kernel, monolithic and layered structure

02Unit 2: Processes and CPU Scheduling 5 टॉपिक

Process concept, states and PCB
Threads
Scheduling criteria
FCFS, SJF, priority and Round Robin scheduling
Gantt charts, waiting and turnaround time

03Unit 3: Synchronisation and Deadlocks 5 टॉपिक

Critical section problem
Semaphores and mutex
Producer-consumer and dining philosophers
Deadlock conditions
Prevention, avoidance (Banker's algorithm), detection and recovery

04Unit 4: Memory Management 5 टॉपिक

Contiguous allocation and fragmentation
Paging and segmentation
Virtual memory and demand paging
Page replacement: FIFO, LRU, Optimal
Thrashing

05Unit 5: File Systems, Disk Scheduling and Linux 5 टॉपिक

File concepts and access methods
Directory structures and allocation methods
Disk scheduling: FCFS, SSTF, SCAN
Linux file system and basic commands
File permissions

परिचय

आप यह कर पाएँगे

Explain the functions, types and structure of operating systems and system calls
Describe process states, PCB and threads, and solve CPU scheduling problems (FCFS, SJF, priority, Round Robin)
Explain the critical section problem, semaphores and classical synchronisation problems
Explain deadlock conditions and apply the Banker's algorithm
Solve paging and page replacement problems and explain virtual memory
Describe file systems, disk scheduling and basic Linux commands

यह किसके लिए है

B.Sc Computer Science students of Semester 4 (UP State Universities NEP 2020 common minimum syllabus)
Students preparing for MCA entrance, GATE basics and IT job interviews

आपको क्या चाहिए

B.Sc Computer Science Semesters 1-3
Basic C programming

सवाल

Which syllabus does this course follow?

It follows the UP State Universities NEP 2020 common minimum syllabus for B.Sc Computer Science, Semester 4. Where your own university's syllabus differs, the centre follows your university's syllabus and question pattern.

Is Linux used in this course?

Yes. Linux basics are covered here and practised in the Operating System and Shell Programming Lab.

Is there a test after the course?

Yes. Unit-wise multiple-choice tests and a final exam paper are included for semester exam practice.