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# CS604 –Operating System Dear Students, Assignment No.4 has been uploaded on LMS...SOLUTION Discus Here Due Date:- 10-02-2016

Assignment No. 04
Semester: Fall 2015

CS604 –Operating System

Total Marks: 20

Due Date:- 10-02-2016

Assignment Objective:

• To know how to change logical to physical address
• Page table entries for mapping to frames

• Your assignment must be in .doc format (Any other formats like scan images, PDF, bmp, etc will not be accepted).
• No assignment will be accepted through email.

Rules for Marking:

It should be clear that your assignment will not get any credit if:

• The assignment is submitted after due date.
• The submitted assignment does not open or file is corrupted.
• Your assignment is copied from internet, handouts or from any other student

(Strict disciplinary action will be taken in this case).

Assignment

Consider logical memory address space 32 bytes in which page size is of 8 bytes and physical memory is of 0.125 K bytes

Find

1. Number of pages
2. Number of bits required for pages
3. Number of memory frames
4. Number of bits required for memory frames
5. Show the physical memory mapping in the form of table from the following logical memory and page table.
6. Find physical address according to the following page number and offset (p,d)
• (2,3)
• (3,6)

Logical Memory       Page Table               Physical Memory

 0 3 1 8 2 13 3 10

 0 0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 25 25 26 26 27 27 28 28 29 29 30 30 31 31

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### Replies to This Discussion

Rida (3,6) ka binary nikala ha to (10,6)kesy bnta ha

wo to phr phsical my (3,6)bnna chahiay

Idea Solution

Attachments:

pls send me solved assignment

+ خان آفریدی + Upload complete solution plzzz

koi tu kar do upload is bar tu bemari k sath dimagh be kam ni karha plz koi tu upload kar dooooo

koi full solution bhi upload kr doooooo...........

good luck..............

helloooooooooooooooooooooo any one plzzzzzzzzzz solution bhi upload kr dain

helloooooooooooooooooooooo any one plzzzzzzzzzz solution bhi upload kr dain

Mujy pta tha Bacho sy ni honi   Friend ki ID sy dy share kr rahi hon  boojo bhala kon hon may?

Heer g! yi tu hme b pta hy ... Calculation k saat share krooo ... bche preshan hn

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