Combinational Logic Word Problems

8-Input Barrel Shifter

Boolean

equations

O7 = S2' S1' S0' D7 + S2' S1' S0 D6 + … + S2 S1 S0 D0

O6 = S2' S1' S0' D6 + S2' S1' S0 D5 + … + S2 S1 S0 D7

O5 = S2' S1' S0' D5 + S2' S1' S0 D4 + … + S2 S1 S0 D6

O4 = S2' S1' S0' D4 + S2' S1' S0 D3 + … + S2 S1 S0 D5

O3 = S2' S1' S0' D3 + S2' S1' S0 D2 + … + S2 S1 S0 D4

O2 = S2' S1' S0' D2 + S2' S1' S0 D1 + … + S2 S1 S0 D3

O1 = S2' S1' S0' D1 + S2' S1' S0 D0 + … + S2 S1 S0 D2

O0 = S2' S1' S0' D0 + S2' S1' S0 D7 + … + S2 S1 S0 D1

Function Table

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