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An 8 2 5 9 is connected to an 8 0 8 6 using a 7 4 LS 1 3 8 as a decoder as

An 8259 is connected to an 8086 using a 74LS138 as a decoder as shown in the figure below.
a) Write the address of the control words ICW1, ICW2, ICW3 and OCW1. Assume all addresses not
shown in the circuit diagram are somehow integrated into the address decoding circuitry and A11=0.

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