Generation of Switching Equations from Truth Tables

 

 

a

 

b

 

c

Min-Term

Max-Term

Term

Designation

Term

Designation

0

0

0

a’b’c’

m0

a’+b’+c’

M0

0

0

1

a’b’c

m1

a’+b’+c

M1

0

1

0

a’bc’

m2

a’+b+c’

M2

0

1

1

a’bc

m3

a’+b+c

M3

1

0

0

ab’c’

m4

a+b’+c’

M4

1

0

1

ab’c

m5

a+b’+c

M5

1

1

0

abc’

m6

a+b+c’

M6

1

1

1

abc

m7

a+b+c

M7

 

SOP:

 

P = ab’c + ab’c’ + abc’ + abc + a’bc

   = S (5, 4, 6, 7, 3)

 

P(a,b,c) = S (5, 4, 6, 7, 3)

 

POS:

 

G = (a + b’ + c)(a + b’ + c’)(a + b + c’)(a + b + c)(a’ + b + c)

    = P (5, 4, 6, 7, 3)

 

G(a,b,c) = P (5, 4, 6, 7, 3)

 

G = wxyz’ + wx’yz’ + w’xyz’ + w’x’yz’

 

G(w, x, y, z) = S(2, 6, 10, 14)

 

SOP:

 

T = f(a, b, c) = (a + b’ + c)(a + b’ + c’)(a’ + b’ + c)

    = P (5, 4, 6, 7, 3)

 

T(a,b,c) = P (1, 4, 5)