Microprocessor
Let the content of accumulator and register B be 0000 0100 and 0100 0000 respectively before execution of instruction SUB B. The content of accumulator after the execution of this instruction will be

 01000000
 00000100
 010001000
 11000100

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Microprocessor
Which of the following statements for intel 8085 is correct?

 PC specifies the address of the instruction being executed
 PC specifies the address of the instruction to be executed
 PC specifies the number of instructions executed so far
 Program Counter (PC) specifies the address of the instruction last executed

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