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a ) Draw a block diagram of 8 0 8 8 microprocessor - based system interfaced with PPI ( 8 2 5 5 ) ,

a) Draw a block diagram of 8088 microprocessor-based system interfaced with
PPI (8255), PIT (8254), PIC (8259) and RAM in maximum mode Also show clock
generator, buffers, transceivers in the diagram.
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