1. Explain the arithmetic operations/instructions supported by 8051 CPU. 2. Accumulator register contains 01H and Carry fl ag is in the state. What will be the contents of accumulator and Carry fl ag...

1. Explain the arithmetic operations/instructions supported by 8051 CPU.

2. Accumulator register contains 01H and Carry fl ag is in the state. What will be the contents of accumulator and Carry fl ag on executing the instruction RR A RR C A

3. Examine the following piece of code and explain whether the program will work in the expected way. Justify your statement MOV P1.0, P1.2

4. Explain the stack memory related data transfer instructions in detail.

5. Explain the data exchange instructions in detail with examples.

6. Explain the timing diagram for the MOVX instruction execution when the program memory is internal to the processor.

7. Explain the difference between ADD, ADDC and DAA instructions. Explain the signifi cance of DAA instruction?