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.
By: Andrea Eldridge, CEO and co-founder of Nerds On Call, an on-site computer and laptop repair service company. The compact, mobile loveliness that is a laptop brings with it a shorter lifespan than a typical desktop PC. On average, a laptop has a lifespan of about four years. The hardware begins to age after 2-3 years and theyâre usually more expensive to upgrade than a desktop PC. Get every ounce of life from your laptop by following a few simple tips.