Karnaugh maps (continued)

C

AB

CD

A

D

00

01

11

10

00

01

11

10

0

1

AB

A

00

01

11

10

C

B

B

C

• Computer-based methods are necessary for practical applications

• Numbering scheme based on Gray–code

  • e.g., 00, 01, 11, 10
  • only a single bit changes in code for adjacent map cells

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