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NPTEL Introduction to Operating Systems Assignment 2 Answer

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NPTEL Introduction to Operating Systems Assignment 2 Answer – Here All The Questions and Answers Provided to Help All The Students and NPTEL Candidate as a Reference Purpose, It is Mandetory to Submit Your Weekly Assignment By Your Own Understand Level.

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NPTEL Introduction to Operating Systems Assignment

ABOUT THE COURSE :
Operating systems (OS) provide the crucial interface between a computer’s hardware and the applications that run on it. It allows us to write programs without bothering much about the hardware. It also ensures that the computer’s resources such as its CPU, hard disk, and memory, are appropriately utilized. In this course, we dwell into how the OS manages to do all this in an efficient manner. This is an introductory course, for students with prior knowledge of computer organization. The course is based on an OS called xv6, which in many ways is similar to the Linux operating systems.

INTENDED AUDIENCE B.E./Msc (Computer Science)

PRE-REQUISITES Good knowledge of C, Computer Organization and Architecture, x86 Assembly level programming.

Next Week Assignment Answers

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This course can have Associate in Nursing unproctored programming communication conjointly excluding the Proctored communication, please check announcement section for date and time. The programming communication can have a weightage of twenty fifth towards the ultimate score.

Final score = Assignment score + Unproctored programming exam score + Proctored Exam score
  • Assignment score = 25% of average of best 8 assignments out of the total 12 assignments given in the course.
  • ( All assignments in a particular week will be counted towards final scoring – quizzes and programming assignments). 
  • Unproctored programming exam score = 25% of the average scores obtained as part of Unproctored programming exam – out of 100
  • Proctored Exam score =50% of the proctored certification exam score out of 100
YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF ASSIGNMENT SCORE >=10/25 AND
UNPROCTORED PROGRAMMING EXAM SCORE >=10/25 AND PROCTORED EXAM SCORE >= 20/50. 
If any one of the 3 criteria is not met, you will not be eligible for the certificate even if the Final score >= 40/100. 

CHECK HERE OTHERS NPTEL ASSIGNMENTS ANSWERS 

BELOW YOU CAN GET YOUR NPTEL Introduction to Operating Systems Assignment 2 Answer 2022? :

1 point

Match the Following

a) Present bit    1) Difference in contents of page in RAM and the Disk
b) Dirty bit         2) Moving page from Disk to Memory
c) Swap out      3) Moving page from memory to Disk
d) Swap in        4) page is present in RAM

 
 
 
 
ans – d
Consider a system using 2-level paging and the virtual address is 38 bits. The most significant 10 bits are used to index the page directory and next 16 bits index the page table. Each entry in both levels is 4 Bytes. What is the maximum size of a page table in KB?
ans – 256
1 point
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Consider a system using 2-level paging and the virtual address is 38 bits. The most significant 10 bits are used to index the page directory and next 16 bits index the page table. Each entry in both levels is 4 Bytes. What is the maximum number of page tables that a process can have?
1 point
ans – 4096
 Consider a system with total memory available is 2^(38) bytes. A user write a C program on this system that uses the entire addressing space. What is the size of a pointer (in bytes) defined in this C program.
1 point
ans – 5
1 point

Consider the following memory map using multiprogram with partition model. Blue represent memory in use while white represent free memory as shown in the figure below.

Request for memory follows the following order : 100k, 25k, 125k, 50k. Which of the following allocation satisfies the above request?
1)Best Fit 2)First Fit 3)Worst Fit

 
 
 
 
ans – b
1 point

Match the following

a)CR0            1)Removes free pages from a linked list
b)CR3            2) Enable paging
c)kalloc( )        3) Page directory point register
d)kfree( )         4) Add free pages to a linked list

 
 
 
 
ans – c
1 point

State True or False

During swap out of a page all the changes that occurred in a page are updated in the main memory.

 
 
ans – a
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1 point
Sector 0 is of _____________ bytes, which is loaded into the location _____________
 
 
 
 
ans – c
1 point
The bootloader switches the OS to _____________ from _____________.
 
 
 
 
ans – a
1 point

Consider the following memory map using the partition model, with Blue representing memory in use and White representing free memory..

A new process Pnew is of size 10k. In which partition is Pnew placed for

a)Best Fit : _____________k
b)First Fit : _____________k
c)Worst Fit : _____________k

 
 
 
 
ans – c
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