8255 A has three 8 bit ports A, B, C for peripheral data transfer. For programming 8255 A, these ports are grouped as

Port A with 4 most significant ports of C, port B with 4 least significant ports of C

8255 A has three 8 bit ports A, B, C for peripheral data transfer. For

1.	8255 A has three 8 bit ports A, B, C for peripheral data transfer. For programming 8255 A, these ports are grouped as
A.	Port A with Port B
B.	Port A with 4 most significant ports of C, port B with 4 least significant ports of C
C.	Port A with Port C
D.	none of the above
Answer» C. Port A with Port C

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8255 A has three 8 bit ports A, B, C for peripheral data transfer. For programming 8255 A, these ports are grouped as

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