OS/OSV IMP

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Unit 1 intoduction(7 Marks)

0. Fuction of OS.
1.Goals/Objectives/structures of  Os.
2.System calls
3. Types of Os
     Batch system
     Spooling
     Multiprogramming
     Multitasking
     Time sharing
      Real time os
4. Operating System Services
5. Kernal
6. Microkernel

7. Monolithic Vs Microkernel
8. Task done by os

Unit 2  Process&Threads Management(11-14 marks)

1. Process and Program
2. PCB
3. Process States Diagram
4. Thread,Types
5. Thread VS process
6. User level threads VS kernal level  Threads
7. Multithreading
8. process Scheduling
9. Types of scheduling
10. Long term VS short term VS medium term
11. Context Switch
12. CPU scheduling
13. Preemptive VS non-preemptive scheduling
14. Example of Scheduling Algorithm
15. System Call....PS, FORK, JOIN, EXEC Family, wait

Unit 3 (Concurrency)   (3-4 Marks) 
Unit 4(I.P.C) (11-14 Marks)

1.Race Condition
2.Critical Section Problem
  Solution of critical section
   Lock, Mutex
3.mutual Exclusion
4.Peterson' Solotion
5.Semaphores
6.monitors
7.Classical IPC Problems
   reader-writer problem
   Dinning philosopher problem

Unit 5 Deadlock (3-4 Marks)

1.What is Deadlock? List the conditions that lead to deadlock.
   Deadlock.
2.Explain deadlock avoidance with safe and unsafe states.
3.How Deadlock can be prevented?
4.Explain Banker’s Algorithm.
5.How to recover from Deadlock

Unit 6 (Memory Management)  (11-14 Marks)

1. Memory Partitioning:Fixed   Partitioning
2.Memory Partitioning:Variable   Partitioning
3.Fragmentation
4.Internal VS External Fragmention
5.placement algorithms
6.Swapping
7.Paging
8.Paging with TLB
9.Segmentation
10.segnentation VS paging
11.Virtual memory
12.Demand paging
13. Page Replacement Policies
       EXAMPLES

Unit 7(I/O Management & Disk Scheduling) ( 7 Marks) 

1.Explain the goals of I/O software.

2.Explain FCFS Disk Arm Scheduling algorithm with suitable illustration.

3.Explain the uses of device controller in OS?

4.Explain DMA(Direct memory access) & its operation.

5.Explain Disk Arm Scheduling Algorithms with illustration.

      [Note: It can be asked using Example]

6.Write short note: RAID levels.

7.Explain device driver in OS.

Unit 8 Unix/Linux Operating System ( 3 Marks)(IT)
Unit 9 Unix/Linux Operating System ( 3 Marks)(CE)

1.What is Unix? What is Linux?

2.Explain the Features of the Unix in detail.

3.Give the functions of following UNIX commands:

grep, cat, cmp, chmod , sort, egrep, diff, cp

4.Write shell script for factorial

Unit 9 Virtulization Concepts ( 3 Marks)(IT)
Unit 10 Virtulization Concepts ( 3 Marks)(CE)

1. What is virtualization?

2. Difference between virtualization and cloud computing

3. Explain Hypervisor.

Unit 10 Approaches to  Virtualization ( 3 Marks)(only IT)

1. Explain VMware ESXi architecture

2. Explain XEN architecture

3. Explain Hyper-V and JVM

4. Explain Linux VServer Virtual Machine

5. Explain Android Virtual Machine

Unit 8 Security & Protection ( 3-4 Marks)( Only CE)

1. Explain the Trojan Horse and Trap doors program threats.
2. Explain the goals of Operating System Security.
3. List Strategies of strong password.
4. Explain Authentication based on password.
5. Define Term Granularity.

Click Here for OSV Study Material