::: vuaskari.com ::: cs609 paper

My Today's cs609 paper

1. DTE want to communicate  with DCE sing RC232c protocol,how does this communication start and end ,identify steps
2. write down the structure of  COM files ?
3. how many maximum root directory entries  are pssible in FAT12 and FAT16???
4. What is MFT?
5. function that will convert BCD to ASCII code 
6. wht is the mager disadvanatge of programmed I/O ?
7. how many bytes are used in FCB in FAT 32 
8. what is the disadvantage of undocumented  services of intrrupts ?
9.  what is virus ?
10. what is cluster ? decribe its strusture ?
11. how many state of viruses ?

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