Multiplexors and Decoders
1
0
2-1 MULTIPLEXOR
(MUX)
F
A
B
X
A
B
X
F
F = A if X = 1, else F = B
1
0
A
B
X
1-BIT DECODER
A = 1 if X = 1, else 0
B = 1 if X = 0, else 0
11
10
A
B
X
01
00
Y
C
D
2-BIT DECODER
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