MOV A, #12H is a ________ byte instruction.

What is the physical address of IP register in the RAM?

Which bit in PCON has bits that are involves in the Serial communication in 8051 microprocessor?

A memory chip has 8 data pins and 512 K of memory. What is its organization?

Which of the following registers is not a special function register (SFR) in the 8051 microcontroller?

The value of the TMOD register is 0x01. In which mode is the timer 0 working?

The code MOV A, #64H followed by SWAP A is the same as:

In 8051 the Timers can also act as _______.

Which of the following is true about the immediate addressing mode?

What is the meaning of the instruction mov A, #55H in 8051 assembly language?