Question: - accepts two unsigned 4 - bit inputs ( or 8 bits total ) , - performs addition on the inputs, and - outputs the

- accepts two unsigned 4-bit inputs (or 8 bits total),
- performs addition on the inputs, and
- outputs the sum on an LED display that can show only digits 0 through 9 and letter E .(If the sum is greater than 9, display E (error) on LED.), i.e., the LED display may have 11 possible outputs that are shown below.
Using logisim
A basic design diagram for the device is shown below.
- accepts two unsigned 4 - bit inputs ( or 8 bits

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