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# Assignment No. 04 Semester: Spring 2013 CS609: System Programming-Due Date: 05/Jul/2013

 Assignment No. 04 Semester: Spring 2013 System Programming-CS609 Total Marks: 20   Due Date: 05/Jul/2013 Instructions: Please read the following instructions carefully before submitting assignment:   You will submit your assignment before or on due date on VU-LMS. Assignment should be completed by your own efforts it should not be copied from internet, handouts or books. You should submit your .doc File via assignment interface at VU-LMS. Assignment sent via Email will not be replied and accepted/graded in any case. If the submitted assignment does not open or file is corrupt, it will not be graded. You will submit solution only in document (.doc or .docx) File. Objectives:   To understand the use of DMA. For any query about the assignment, contact at cs609@vu.edu.pk Assignment Questions Question 1:                                                                                                                               Marks 10      We read the contents of Drive Parameter Block and get the following information,   Number of reserved blocks = 2 Number of blocks in FAT = 5 Number of blocks in root directory = 8 Maximum number of blocks per cluster = 7   Now using the above information calculate the sector # for the following clusters. 1. 3b 2. 2a   Make appropriate assumption where needed.   Question 2:                                                                                                                               Marks 10      Reserved sectors = 06H Sectors per FAT = 81H   Using the above FAT 16 based information find the following   Starting sector of first copy of FAT Starting sector of second copy of FAT Starting sector of root directory BEST OF LUCK

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zurva siso...bdi jaldi hoti u ko logo ko tenssion me dalny ki..........:P:P:P

no one is there for disucussing this assignment...........?????

from which lecture questions are taken

Cs609 nae assignment to koe discuss hi nae karta

kia discuss karain abi to yeh hi nhe samjh aa rhe k assignment questions hain kon kon sy lecture main sy, plz if any one has any idea about lecture numbers from which questions have been taken then share with all students

Solution formula for second question, yeh sahe hy ya nhe plz discuss kr k zaror btaye ga
“Sector” and “block” are the two names of one thing.
Starting sector of first copy of FAT = reserved sector (block)
Starting sector of second copy of FAT = reserve d sectors (blocks) +sectors (block) per FAT
Starting sector of root directory = reserved sectors (blocks) + 2*(sectors (blocks) per FAT)
I got this help material from lecture no. 31 and page 247.

Please check is this the correct formula for SECTOR NUMBER

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Qno 1; I found these valus plz disscuss rigt or wrong
resevered block= 2

no of enterites of fat= no of bloks/ size of cluster in block= 5/2=2.5

sector per fat= 204
numbers of fat= 2

byt per block= 512

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