There were four basic materials that the Egyptians used to build the pyramids: limestone, pink granite, basalt, and alabaster. Each type of material had a diverse use. Limestone had, for the most part, two uses.
To answer your question: The useful lifespan of a CPU is about 3-4 years. My guess on the technical lifespan under full load is closer to 8-10 years if nothing else breaks and takes the CPU with it. The reasons: High Performance Computing Clusters usually keep the computers for 3-4 years.
How long should a high end laptop computer last? My daughters dual core Hp laptop overheated and friend the motherboard.It was about 4 years old but a top of the line HP, about $2000Thanks for your input.Wayne...a frustrated computer user. Discussion is locked.