embedded control computer
It is easier to write a computer program handling all these various functions than to design a dedicated hardware control system to do it.
Yes they can.
No, a microwave will not work as a Faraday cage.
no
Your car, your microwave, your coffee-maker, etc. They call them embedded controllers.
Yes, most microwave ovens use a custom processor as a timer and power level controller.
It would be easier if you contacted the manufacturers of microprocessor so they and you could work out which microprocessor you want. There are hundreds of microprocessors to pick from and any companies who design, develop, and build microprocessors
stores next instructions
I had to buy a new microwave because my old one didn't work.
They work relatively well although it is easier to use just a microwave or just an oven.
Itanium, amd athlon,athlon,pentium
No, a microwave isn't a computer. Most microwaves have a little (really little by modern standards) microprocessor chip in them to provide the "brainpower" to allow a user to program the appliance to perform a number of functions. A microprocessor is at the heart (it's the "brain") of a modern computer, but the microwave itself is not classified as one.
No.