A logic network lias four inputs Input0, Input 1, Input2, Input3, and two output

Question

A logic network lias four inputs Input0, Input 1, Input2, Input3, and two outputs Output0. and Output1: At least one of the inputs is always asserted high (logic 1). If a given line has a logic one applied to it, then the output signal will encode its index in binary. For example, if input Input2 is asserted high, then the output reads Output 1=1. Output0 = 0. If two or more inputs are at logic one, the output will be set according to which input lias the highest index (Input3 > Input2 > Input1 > Input0). For example, if both Input2 and Input3 are one. then the output reads Output1=1. Output0=1. Fill in the Truth Tables.

Explanation / Answer

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If I0 is only high output will be 0 0

If I1 is high and I2 and I3 are 0, irrespective of I0 output is 0 1

If I2 is high and I3 is 0, irrespective of I1 and I0, output is 1 0

If I3 is high, irrespective of I2,I1 and I0 output is 1 1

I3   I2   I1   I0   O1   O2

0    0    0    0 0 0

0    0    0    1 0 0   

0    0    1    0     0     1

0    0    1    1     0     1

0    1    0    0     1     0

0    1    0    1     1     0

0    1    1    0     1     0

0    1    1    1     1     0

1    0    0    0     1     1

1    0    0    1     1     1

1    0    1    0 1 1   

1    0    1    1     1     1

1    1    0    0     1     1

1    1    0    1     1     1

1    1    1    0     1     1

1    1    1    1     1     1

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