Arithmetic an Logic Instruction

In multiplication of two bytes in the 8051, we must place one byte in register ________ and the other in register __________.

In unsigned byte-by-byte multiplication, the product will be placed in register(s) __________.

In byte/byte division, the numerator must be placed in register_________ and the denominator in register_________.

In unsigned byte/byte division, the quotient will be placed in register_________ and the remainder in register________.

The instruction “ADD A, source” places the sum in __________.

If CY = 1, A = 95H, and B = 4FH prior to the execution of “SUBB A,B”, what will be the contents of A after the subtraction?

Find the contents of register A after the following code in each case:

MOV A,#37H

ANL A,#0CAH

XRLing an operand with itself results in _______.

What is the value of register A after each of the following instructions?

MOV A,#25H

RR A

RR A

RR A

RR A