Given the following decoding circuit $74$LS$138,$ in which it decodes the address for the chips $8259($PIC$),8255($PPI$),$ and $8253($PIT$).$

Answer the following Questions.

The address of Port B of the PPI $(8255)$ is:

All of the chips above are connected to which bank:

The address of the Control Register of the PIT $(8253)$ is:

The start address of the PIC $(8259)$ is:

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