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LOGIC DESIGN LABORATORY MANUAL - VTU e-Learning Centre

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Logic Design Laboratory Manual 19<br />

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0 1 0 1<br />

0 1 0 1<br />

0 1 0 1<br />

0 1 0 1<br />

0 1 0 1<br />

0 1 0 1<br />

1 0 1 0<br />

1 0 1 0<br />

0 1 0 1<br />

1 0 1 0<br />

0 1 0 1<br />

1 0 1 0<br />

BOOLEAN EXPRESSIONS:<br />

B3=G3<br />

B2=G3 ⊕ G2<br />

B1=G3 ⊕ G2 ⊕ G1<br />

B0=G3 ⊕ G2 ⊕ G1 ⊕ G0<br />

B2=G3 ⊕ G2<br />

B1=G3 ⊕ G2 ⊕ G1<br />

B0=G3 ⊕ G2 ⊕ G1 ⊕<br />

G0<br />

Gray<br />

Binary<br />

G3 G2 G1 G0 B3 B2 B1 B0<br />

0 0 0 0 0 0 0 0<br />

0 0 0 1 0 0 0 1<br />

0 0 1 1 0 0 1 0<br />

0 0 1 0 0 0 1 1<br />

0 1 1 0 0 1 0 0<br />

0 1 1 1 0 1 0 1<br />

0 1 0 1 0 1 1 0<br />

0 1 0 0 0 1 1 1<br />

1 1 0 0 1 0 0 0<br />

1 1 0 1 1 0 0 1<br />

1 1 1 1 1 0 1 0<br />

1 1 1 0 1 0 1 1<br />

1 0 1 0 1 1 0 0<br />

1 0 1 1 1 1 0 1<br />

1 0 0 1 1 1 1 0<br />

1 0 0 0 1 1 1 1<br />

GRAY TO BINARY CODE CONVERSION USING EX-OR GATES

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