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# Answer to Question #63577 in Other Programming & Computer Science for jonney

Question #63577
let S denotes the substitution function which takes a block of 3 bits(0 to 7 decimal) and yields a block of 2 bits mean there 4 boxes of substitution . function is given with the following table:
this table two rows and eight columns
________________
|0 | 1| 2| 3| 4| 5| 6| 7|
|1 | 3| 2| 1| 0| 3| 0| 2|
________________

1)give the result of applying the substitution S to this result "111010111000"
2)and write down the value bit sequence of the result of this round....

hint :::remember that take this result 12 bit " 111010111000" and work substitution by 4 box mean each box take 3 bit of the result and the yield is 8 bit according the table

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