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START

Wait for any key pressed

Display Welcome message on LCD

Check

Check Matched

“00” Combination ?

“01”

Check

Check Matched

Matched

“00”

“00”

Combination

Combination

Combination

?

?

?

Not Matched

Not Matched

Not Matched

Not Matched Matched

Display “CORRUPTED IC” on LCD

Display “WORKING IC” on LCD

End


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