help on a few questions on microprocessors

1. What factors determine the nature of microprocessors in the nature of these
products or the type of microprocessor to use in these applications?

2. What factors govern the architecture?

3. What is architecture?

4. Write a paper on microprocessor technologies; do a comparative study on
microprocessors. Why are they going to move away from silicon to GaAs?
Check the technology used on microprocessors from 8086 to the Pentium III.

5. Do a comparative study of the packaging of the microprocessors from the
8086 to the Pentium III. Why do we have so many power pins (as the number
of transistors increase so also do the number of power pins, GND and Vcc).
Why is it that as the number of transistors increase so also do the number
of pins -- in other words, what purpose do these microprocessors' pins
serve?

6. Make a study of computer buses on the motherboard. What are these buses and
how do they affect the performance?