when an external device becomes ready to be serviced by the processor the device sends a(n) interrupt signal to the processor
He should purchase a Desktop PC as it would allow him to install high-power parts such as RAM, Graphics Card and CPU.
Answer:
Laser printer
Explanation:
This is a guess based on experience, but laser printers have rollers, drums, and other various parts that need periodic replacement.
See page 87 of https://www.laserpros.com/img/manuals/hp-manuals/hp-lj-4100-manual.pdf for an example.
