checksums

[sumayya]

hi mr sergo smeia

i am confused about CHECKSUMS,would you please clear my doubts.

1)what is checksums?

2)when to use it?

3)how it is killed?

4)how to fix it back?

5)what is the relationship of MCU AND PPM to CHECKSUMS?

6)how to calculate it?

thanks .

[sergo_zmeia]

Sorry I dont have the time to answer U right now..sorry ... I hope soon Ill be able to give U some tips....in this time read the forum F.A.Q.....it will be helpfull..
Regards!
Sergo_Zmeia