SOLUTION TO FRAME 41:

42. Extract a simplified Boolean expression from the Veitch

diagram below.

R

R

T

X

X

T

X

Z

Z

Z

43. Derive a minterm expression from the SUM-output column

of the truth table below.

A

B

SUM

CARRY

0

0

0

0

0

1

1

0

1

0

1

0

1

1

0

1

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