What will be the bit format of command byte A in 82C55A PPI for these arrangement, (i) Mode 0, Port A as input, port B and port C as output. (ii) Mode 1, port A as output, port B as input.

(i) Required Bit Format of command byte A: 

          So the bit format will be 10010000.

          (ii) Required Bit Format of command byte A: 

So the bit format will be 1010×11×.

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