Question $2$

$(26$ Marks$)$

State the architecture used in PIC microcontrollers.

What's the alternative architecture as opposed to the architecture used in PIC microcontrollers

Describe the traditional architecture in $2.$

For the architecture in $2.$ explain fully what happens if the program want to access memory

The PIC microcontrollers make use of pipelining. What does pipelining allow in these microcontrollers?

What are the three distinct memory areas on the PIC$16$F$877$A chip?

What is the data memory of a microcontroller usually used for by programmers?

What is the program counter $($PC$)$ used by the CPU for?

How many bits does the working register have?

Draw a fully labelled diagram of the arithmetic and logic unit diagram.