Output is G1
B C G1
0 0 0
0 1 1
1 0 1
1 1 1
Truth Table for ‘B OR C’
Input is B, C
Output is G2
B D G2
0 0 0
0 1 1
1 0 1
1 1 0
Input is B, D
Truth Table for ‘B XOR D’
Output is G3
C D G3
0 0 0
0 1 1
1 0 1
1 1 0
Input is C, D
Truth Table for ‘C XOR D’
Output is G4
C D G4
0 0 0
0 1 1
1 0 1
1 1 1
Truth Table for ‘C OR D’
Input is C, D
Output is G5
C D G5
0 0 0
0 1 1
1 0 1
1 1 0
Input is C, D
Truth Table for ‘C XOR D’
Output is G6
C D G6
0 0 0
0 1 1
1 0 1
1 1 1
Truth Table for ‘C OR D’
Input is C, D
Output is G7
B G4 G7
0 0 0
0 1 0
1 0 0
1 1 1
Truth Table for ‘B AND G4’
Input is B, G4
Output is G8
B G3 G8
0 0 0
0 1 0
1 0 0
1 1 1
Truth Table for ‘B AND G3’
Input is B, G3
Output is G9
B G6 G9
0 0 0
0 1 0
1 0 0
1 1 1
Truth Table for ‘B AND G6’
Input is B, G6
Output is G10
B C G10
0 0 0
0 1 0
1 0 0
1 1 1
Truth Table for ‘B AND C’
Input is B, C
Output is G11
C D G11
0 0 0
0 1 0
1 0 0
1 1 1
Truth Table for ‘C AND D’
Input is C, D
A C G120 0 00 1 11 0 11 1 1
Truth Table for ‘A OR C’
Input is A, C
Output is G12
B C G130 0 00 1 11 0 11 1 1
Truth Table for ‘B OR C’
Input is B, C
Output is G13
A G7 G140 0 00 1 11 0 11 1 1
Truth Table for ‘A OR G7’
Input is A, G7
Output is G14
A G9 G150 0 00 1 11 0 11 1 1
Truth Table for ‘A OR G9’
Input is A, G9
Output is G15
G2 G12 a0 0 00 1 11 0 11 1 1
Truth Table for ‘G2 OR G12’
Input is G2, G12
Output is a
B G5 b0 0 00 1 11 0 11 1 1
Truth Table for ‘B OR G5’
Input is B, G5
Output is b
D G13 c0 0 00 1 11 0 11 1 1
Truth Table for ‘D OR G13’
Input is D, G13
Output is c
G8 G14 d0 0 00 1 11 0 11 1 1
Truth Table for ‘G8 OR G14’
Input is G8, G14
Output is d
D G1 e0 0 00 1 01 0 01 1 1
Truth Table for ‘D AND G1’
Input is D, G1
Output is e
G11 G15 f0 0 00 1 11 0 11 1 1
Truth Table for ‘G11 OR G15’
Input is G11, G15
Output is f
G10 G15 g0 0 00 1 11 0 11 1 1
Truth Table for ‘G10 OR G15’
Input is G10, G15
Output is g
0is
G1
1is
G1
0is
G2
1is
G2
0is
G3
1is
G3
0is
G4
1is
G4
0is
G5
1is
G5
0is
G6
1is
G6
0is
G7
1is
G7
0is
G8
1is
G8
0is
G9
1is
G9
0is
G10
1is
G10
0is
G11
1is
G11
0is
G12
1is
G12
0is
G13
1is
G13
0is
G14
1is
G14
0is
G15
1is
G15
Switch is OFF
isa
0
Switch is ON
is 1a
Switch is OFF
isb
0
Switch is ON
is 1b
Switch is OFF
isc
0
Switch is ON
is 1c
Switch is OFF
is 0d
Switch is ON
is 1d
Switch is OFF
ise
0
Switch is ON
is 1e
Switch is OFF
is 0f
Switch is ON
is 1f
Switch is OFF
is 0
g
Switch is ON
is 1
g