Linux normally requires at least a __ CPU containing a memory management unit (MMU)

Which RAM location is used as the first location of the stack on power-up in 8051?

What would be the status of CY and AC flags after the addition of 76 H and 8CH in the following instructions? MOV A,#76H ADD A,#8CH

What would be the baud rate for the following, if XTAL=16MHz and SMOD =0? MOV THI, #-10

When is the TFI flag raised in Mode 1?

Which of the following micro controllers has a watchdog timer (WDT)?