Question

1) A 7-segment decoder drives the display in Figure shown below. If the waveforms are applied as Indicated, determine the sequence of digits that appears on the display. BCD/7-seg Ao A1 A2 A3 Ao 1 A1 2 A2 4 A3 8 2) On a digital system with 4 inputs and 1 output, you wish to detect only the presence of the codes 1010, 1100, 0001, and 1011. An active-HIGH output is required to indicate their presence. Develop the minimum decoding logic with a single output that will indicate when any one of these codes is on the inputs. For any other code, the output must be LOW.

          1) A 7-segment decoder drives the display in Figure shown
below. If the waveforms are applied as Indicated, determine
the sequence of digits that appears on the display.
BCD/7-seg
Ao
A1
A2
A3
Ao
1
A1
2
A2
4
A3
8
2) On a digital system with 4 inputs and 1 output, you wish to
detect only the presence of the codes 1010, 1100, 0001, and
1011. An active-HIGH output is required to indicate their
presence. Develop the minimum decoding logic with a
single output that will indicate when any one of these codes
is on the inputs. For any other code, the output must be
LOW.

1) A 7-segment decoder drives the display in Figure shown
below. If the waveforms are applied as Indicated, determine
the sequence of digits that appears on the display.
BCD/7-seg
Ao
A1
A2
A3
Ao
1
A1
2
A2
4
A3
8
2) On a digital system with 4 inputs and 1 output, you wish to
detect only the presence of the codes 1010, 1100, 0001, and
1011. An active-HIGH output is required to indicate their
presence. Develop the minimum decoding logic with a
single output that will indicate when any one of these codes
is on the inputs. For any other code, the output must be
LOW.

Added by Dana F.

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