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CS609 Spring 2018 Final Term Papers Pattern & Questions 01 September 2018 to 12 September 2018

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please koi apna current paper share krye..

System Programming
Total 40 Mcqs
20 mcqs are from Moaaz File
Other 20 are From handouts you can attempt only if you thoroughly study of all Lectures.
5 Questions Of 3 Markx ....
1.Write type of Viruses
2.Discripter are memory segment which entries do performe memory segment
3.What is function of ACSII and UNICODE
4.What's the Maximum Entries in FAT12 and FAT16
5.What is Biosdisk() Limitations
5 Questions of 5 Markx ....
1. What is The advantage and disadvantage of increasing surface area of hard disk
2.Write TSR program
3.Write the program complete the following code
4.FAT16 sa related tha aik question
5.Conversion of Cluster into sectors
Sectors into LSN LSN into LBA

great and thanks dear for sharing your paper.


1-How disk identifiy the bad sectors

2-COM file will typically have a single three bytes near jump instruction as the first instruction in ...?

3-Briefly answer the following questions:

  • What is a Cluster?
  • How many blocks are in one cluster?
  • Does DOS impose some restriction on total number of blocks in a cluster?

What is the size of FSInfo block for FA32?

What is the purpose of partition table signature?

Absread() and abswrite() functions are used?

Keeping in view FAT , what will be the impact of placing E5 in place of first character of file name

The following program performs a block read operation using interrupt 13H/42H. Complete the code as instructed below: [Note that we are using DAP data structure which is used by extended int 13H service].


  • Get low double word from the user, temporarily store it in character array st, and assign this value to lbalod.
  • Get high double word from the user, temporarily store it in character array st, and assign this value to lbahid.
  • Finally, generate the interrupt 0x13


#include <dos.h>

#include <bios.h>


struct DAP {

      unsigned char size;

      unsigned char reserved1;

      unsigned char blocks;

      unsigned char reserved2;

      unsigned char far *buffer;

      unsigned long int lbalod;

      unsigned long int lbahid;

      } dap;


char st[80];

unsigned char buf[512];

FILE *fptr;


void main (void)


      // (1) write your code here


      // (2) write your code here






      dap.buffer = (unsigned char far *)MK_FP(_DS,buf);



      _SI=(unsigned int)&dap;


      // (3) write your code here


      puts ("enter the path: ");

      gets (st);

      fptr = fopen(st,"wb");


      fclose (fptr);



 mcqs were bit hard not from any previous file :(

25 mcqs from moaz file 

question about these topics FAT32 FAT16 SECTOR 


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