How many types of data transfer instructions are there in 8051 microcontroller ?

Which I/O port of 8051 does not have alternative or dual functions ?

How many bits in a 16 bit address define the address of the page memory in 8051 microcontroller ?

What is the physical address of the highest priority interrupt among the following?

What is the status of the Carry (CY) and Auxiliary Carry (AC) flags after adding 9CH and 64H?

Which of the following components is present in a microcontroller but not in a general-purpose microprocessor?

Some data is transferred from a peripheral device in the microcontroller, it will be stored in which form ?

If A = #25H and B = #65H, what will the contents of A and B after executing the instruction 'MUL AB'?

Which of the following is true about the CJNE (Compare and Jump if Not Equal) instruction?

If A=0000 0010 and R2=0000 0100, what will be the content of the accumulator and R2 after the execution of 'ADD A, R2'?