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Title Name Amity Solved Assignment MSC IT 4th Sem for Operating System
University AMITY
Service Type Assignment
Course Msc-IT
Semester Semester-IV Course: Msc-IT
Short Name or Subject Code Operating System
Commerce line item Type Semester-IV Course: Msc-IT
Product Assignment of Msc-IT Semester-IV (AMITY)
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Solved Assignment


  Questions :-

                                                                                              Operating System and Data Storage

Assignment A

1. What is an operating system? Discuss the functions of an operating system? Give a general architecture of the operating system. 

2. What are the cooperating processes and how they communicate? Explain by taking a suitable example.

3 .Write a note on the multi-processor scheduling.   

4.  What are the characteristics of a good scheduling algorithm? Give a comparison of FCFS

And RR algorithm giving pros and cons of each with example.

5. Define deadlock. What are the necessary and sufficient conditions for deadlock to occur?

6. What is the need for Page Replacement? Discuss different page replacement techniques giving a performance comparison?

7. What is the requirement of Memory Management? How the address binding of instructions and data is carried to memory address.           

8. What is the purpose of directory structure in file system? Explain various types of directory structure with suitable diagram

Assignment B

Case Study :

  1. What is the content of the Matrix Need? 
  2.  Is the system in a safe state?
  3. If a request from process P1 arrives for (0, 4, 2, 0) can this request be granted immediately? 

Assignment C

Question No: 1

___________ begins at the root and follows a path down to the specified file

  1. Relative path name
  2. Absolute path name
  3. Standalone name
  4. All of the above

Question No: 2

Process State is a part of

  1. Process Control block
  2. Encode
  3. File Allocation Table
  4. None of the above

Question No: 3

Virtual Memory is commonly implemented by __________.

  1. Segmentation
  2. Swapping
  3. Demand Paging
  4. None of the above  

Question No: 4

A ___________ contains information about the file, including ownership, permissions, and location of the file contents.

  1. File Control Block (FCB)
  2. File
  3. Device drivers
  4. File system

Question No: 5

The operating system of a computer serves as a software interface between the user and the ________.

  1. Hardware
  2. Peripheral
  3. Memory
  4. Screen

Question No: 6

If the Disk head is located initially at 32, find the number of disk moves required with FCFS if the disk queue of I/O blocks requests are 98, 37,14,124,65,67.

  1. 310
  2. 324
  3. 315
  4. 321

Question No: 7

Multiprogramming systems ________.

  1. Are easier to develop than single programming systems
  2. Execute each job faster
  3. Execute more jobs in the same time
  4. Are used only on large main frame computers

Question No: 8

Cryptography technique is used in ________.

  1. Polling
  2. Job Scheduling
  3. Protection
  4. File Management

Question No: 9

In the ___________ method of data transfer, the participation of the processor is eliminated during data transfer.

  1. Buffering
  2. Caching
  3. Direct Memory Access
  4. Indirect Memory Access

Question No: 10

A thread is a __________ process.

  1. Heavy Weight
  2. Mutliprocess
  3. Inter Thread
  4. Light weight

Question No: 11

Which of the following is crucial time while accessing data on the disk?

  1. Seek time
  2. Rotational time
  3. Transmission time
  4. Waiting time

Question No: 12

In ______ OS, the response time is very critical

  1. Multitasking
  2. Batch
  3. Online
  4. Real-time

Question No: 13

Inter process communication can be done through __________.

  1. Mails
  2. Messages
  3. System calls
  4. Traps

Question No: 14

Identify the odd thing in the services of operating system.

  1. Accounting
  2. Protection
  3. Error detection and correction
  4. Dead lock handling

Question No: 15

Which of the following memory allocation scheme suffers from External fragmentation?

  1. Segmentation
  2. Pure demand paging
  3. Swapping
  4. Paging

Question No: 16

Distributed OS works on the ________ principle.

  1. File Foundation
  2. Single system image
  3. Multi system image
  4. Networking image

Question No: 17

Which file system does Windows 95 typically use?

  1. FAT16
  2. FAT32
  3. NTFS
  4. LMFS

Question No: 18

Real time systems are ________.

  1. Primarily used on mainframe computers
  2. Used for monitoring events as they occur
  3. Used for program development
  4. Used for real time interactive users

Question No: 19

The primary job of the operating system of a computer is to ________.

  1. Command Resources
  2. Manage Resources
  3. Provide Utilities
  4. Be user friendly

Question No: 20

Consider the two statements.

(i) A network operating system, the users access remote resources in the same manner as local resource.

(ii) In a distributed operating system, the user can access remote resources either by logging into the appropriate remote machine or transferring data from the remote machine to their own machine. Which of the statement is true?

  1. (i) true, (ii) false
  2. (ii) true, (i) false
  3. Both (i) and (ii) false
  4. Both (i) and (ii) true

Question No: 21

Information about a process is maintained in a _________.

  1. Stack
  2. Translation Lookaside Buffer
  3. Process Control Block
  4. Program Control Block

Question No: 22

Using Priority Scheduling algorithm, find the average waiting time for the following set of processes given with their priorities in the order: Process : Burst Time : Priority respectively .

P1 : 10 : 3 ,

P2 : 1 : 1 ,

P3 : 2 : 4 ,

P4 : 1 : 5 ,

P5 : 5 : 2.

  1. 8 milliseconds
  2. 8.2 milliseconds
  3. 7.75 milliseconds
  4. 3 milliseconds

Question No: 23

The operating system manages ________.

  1. Memory
  2. Processor
  3. Disk and I/O devices
  4. All of the above

Question No: 24

The Hardware mechanism that enables a device to notify the CPU is called-_____

  1. Polling
  2. Interrupt
  3. System Call
  4. None of the above

Question No: 25

Virtual memory is __________.

  1. An extremely large main memory
  2. An extremely large secondary memory
  3. An illusion of extremely large main memory
  4. A type of memory used in super computers

Question No: 26

A major problem with priority scheduling is _________.

  1. Definite blocking
  2. Starvation
  3. Low priority
  4. None of the above

Question No: 27

Routine is not loaded until it is called. All routines are kept on disk in a relocatable load format. The main program is loaded into memory & is executed. This type of loading is called--

  1. Static loading
  2. Dynamic loading
  3. Dynamic linking
  4. Overlays

Question No: 28

Which of the following is not advantage of multiprogramming?

  1. Increased throughput
  2. Shorter response time
  3. Decreased operating system overhead
  4. Ability to assign priorities to jobs

Question No: 29

_________ page replacement algorithm suffers from Belady´s anomaly.

  1. LRU
  2. MRU
  3. FIFO
  4. LIFO

Question No: 30

Paging _________.

  1. Solves the memory fragmentation problem
  2. Allows modular programming
  3. Allows structured programming
  4. Avoids deadlock

Question No: 31

The term “Operating System“means ________.

  1. A set of programs which controls computer working
  2. The way a computer operator works
  3. Conversion of high-level language in to machine level language
  4. The way a floppy disk drive operates

Question No: 32

The collection of processes on the disk that is waiting to be brought into memory for execution forms the ___________

  1. Ready queue
  2. Device queue
  3. Input queue
  4. Priority queue

Question No: 33

Mutual exclusion

  1. if one process is in a critical region others are excluded
  2. prevents deadlock
  3. requires semaphores to implement
  4. is found only in the Windows NT operating system

Question No: 34

Which scheduler controls the degree of multiprogramming?

  1. Short term scheduler
  2. Long term scheduler
  3. Middle term scheduler
  4. None of the above

Question No: 35

In memory management, a technique called as paging, physical memory is broken into fixed-sized blocks called ___________.

  1. Pages
  2. Frames
  3. Blocks
  4. Segments

Question No: 36

In the running state

  1. only the process which has control of the processor is found
  2. all the processes waiting for I/O to be completed are found
  3. all the processes waiting for the processor are found
  4. none of the above

Question No: 37

In a multi threaded environment _______.

  1. Each thread is allocated with new memory from main memory.
  2. Main threads terminate after the termination of child threads.
  3. Every process can have only one thread.
  4. None of the above

Question No: 38

Which of the following statement is not true?

  1. Multiprogramming implies multitasking
  2. Multi-user does not imply multiprocessing
  3. Multitasking does not imply multiprocessing
  4. Multithreading implies multi-user

Question No: 39

In one of the deadlock prevention methods, impose a total ordering of all resource types, and require that each process requests resources in an increasing order of enumeration. This violates the _______________ condition of deadlock

  1. Mutual exclusion
  2. Hold and Wait
  3. Circular Wait
  4. No Preemption

Question No: 40

If all page frames are initially empty, and a process is allocated 3 page frames in real memory and references its pages in the order 1 2 3 2 4 5 2 3 2 4 1 and the page replacement is FIFO, the total number of page faults caused by the process will be __________.

  1. 10
  2. 7
  3. 8
  4. 9

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