The size of each page in 8051 program memory is ___________KB.

Which of the following MOV instructions is invalid?

Which bit in the SCON register is called the multiprocessor communication bit ?

Which of the following modes are not used in the serial communication in 8051 microcontroller ?

TMOD register has the input data as 0011 0011, which of the timers is working in the 8051 microcontroller ?

It is required to save the status of port P0.3 in RAM bit location 44.

What does the 'PUSH 6' instruction do?

Which one of the following is a peripheral control register ?

Which of the following type of microcontroller reduces the number of machine cycles ?

Which of the following statements is true about special function registers (SFRs) of the 8051 microcontroller?