The number of priority levels that each interrupt of the 8051 microcontroller has is:

Which type of programmable ROM is also called 'burning ROM'?

Find the erroneous mnemonic among the following.

Which one of the following is an asynchronous communication channel?

What is the period of the machine cycle for the 8051 microcontroller?

Find the control word for PA = out, PB = in, PCL = out, PCH = out (Mode0) in 8225 microcontroller?

The registers that are not directly accessible to the user are?

The SCON register in the 8051 microcontroller has the first 2 bits high from the right side, then predict the mode of the microcontroller's serial communication.

What is the purpose of the 'ORG' statement in 8051 programming?

what will be the final value in the accumulator?

MOV A, #05H; CPL A;