CS609 Current Final Term Fall 2013 File 9

Here's mine paper.

Mostly MCQ's were from Moaaz file.

1:Disadvantages of using undocument service of Itnterrupt?(2)

(2)Purpose of this block statement (2)

char hi,char lo;

hi=hi-0x30;

lo=lo-0x30;

hi=hi4;

hi=hi|li;

3: How much space is reserverd for root directory in FAT 32? (2)

4:What is contigous memory managment system?(2)

5:States of viruses(3)

6:Translate the cluster#into LSN in FAT 32(3)

7:Can we use FAT12 for drive of 1GB?(3)

8:Meaning of this C ststement . (3)

Unsigned int far*lpt=(unsigned in far*)0x00400008;

If ((inport((*lpt)+1)&0x80)==80)

9:Why we need to convert a cluster number into sector number?(5)

10:Using port 61h write the C language statement that should connect interval timer to the speaker and in next ststement it should turn off the speaker.(5)-