To come out of idle mode, which external interrupt(s) can be used?

A given memory chip has 12 address pins and 4 data pins. What is the capacity of the memory chip?

MOV A , #A5H

ORL A, #62H

Complete the above code such the final value in register A is E7H.

In which of the following registers can we find the TF0 (Timer 0 Overflow) flag ?

Which of the following instructions in the instruction set of 8051 microcontroller changes the values in one of the operands ?

Which addressing mode is used only with the LCALL and LJMP instructions ?

What are the registers used for multiplication instructions in the 8051 microcontroller?

In mode 0 what is the baud rate of the 8051 microcontroller?

Identify the addressing mode used in the given assembly language instruction:

MOV A, @R5

When PSEN is high, the 64 KB of internal program memory gets split up into two parts of sizes ____KB