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Q#1
Microprocessor
GATE EC 1993
MSQ
+2 marks
-0 marks
A microprocessor has five address lines 
and eight data lines 
. An input device A, an output device B, A ROM and a RAM are memory mapped to the microprocessor at the addresses as shown in figure. 
Devices A and B have four addressable registers each; RAM has 8 bytes and ROM has 16 bytes.
Obtain the minimum sum of product expression for the chip select (CS) function of each device/memory.
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