In 8085 microprocessors, what is the output of following program?

LDA 8000H

MVI B, 30H

ADD B

STA 8001H

1
Read a number from input port and store it in memory
2
Read a number from input device with address 8000H and store it in memory at location 8001H
3
Read a number from memory at location 8000H and store it in memory location 8001H
4
Load A with data from input device with address 8000H and display it on the output device with address 8001H

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