Final answer:
Notebook and desktop processors are designed with different objectives in mind, focusing on power efficiency for notebooks and higher performance for desktops. Because of this, as well as differences in size and motherboard connections, they are not interchangeable.
Step-by-step explanation:
Processors in notebooks and desktops are designed for different purposes and hence are not interchangeable. While they may share similar architectures, they are optimized for their respective environments. Notebook processors are engineered for power efficiency to conserve battery life, and typically come in a package with a smaller thermal footprint suitable for a compact notebook chassis. Desktop processors, on the other hand, often have higher power limits and performance thresholds but come in a larger physical size that would not fit in the thermal and space constraints of a notebook.
Furthermore, the sockets and chipsets used to connect the processors to the motherboard differ between notebooks and desktops, making physical interchangeability impossible without significant modification. Some processors for mobile and desktop platforms may share a similar core design, but the implementation is tailored to the platform's specific needs.
Choice b) No, they have distinct architectures and are not interchangeable is the correct answer because, despite any superficial similarities, the significant differences in power, size, and connection interfaces prevent a simple swap between notebook and desktop processors.