Which ports have the physical addresses as 90h and A0h?

How many pages are there in the 8051 microcontroller's program memory ?

What is the file extension that is loaded in a microcontroller for executing any instruction?

An Assembly language instruction consists of a                   , optionally followed by one or two operands.

Which member of the 8051 microcontroller family has 256 bytes of user-accessible RAM?

Choose the INCORRECT instruction among the following. 1. XCH A, R3 2. XCH A, @R1 3. XCH A, 54 4. XCH R1, R0

In which mode is the clock signal disabled to all parts of the 8051 microcontroller?

The transmission unit does not require assistance from the processor if a byte for transmission is written to which register?

What does the RLA instruction do?

Which of the following statements about Microcontrollers is UNTRUE?