please explain in details .

t00. In 8085 microprocessor, what is the output of following progranm 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) (4) Read a number from memory at location 8000H and store it in memory location 8001H Load A with data from input device with address 8000H and display it on the output device with address 8001H