GATE EC 2022: Digital Circuits Quiz 8
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An I/O device is interfaced to an 8085 microprocessor. To select the I/O device in the I/O address range A8H-B9H, the chip select CS is to be connected to which output of the decoder?
The following FIVE instructions were executed on an 8085 microprocessor.
MVI A, 33H
MVI B, 78H
The Accumulator value immediately after the execution of the fifth instruction is
MVI C, 0B H
LXI H, 2400 H
LXI D, 3400 H
LOOP MOV A, M
The total number of memory accesses required are _______.
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